English Reference

Word

proportionally

Phoneticspro·por·tion·al·ly, stress on the second syllable

US/pɹəˈpɔɹʃənəɫi/

UK/pɹəpˈɔːʃənəli/

Definition

adv. in a way that keeps the size or amount of one thing in the right relationship to another. You use this when you want to say that two things are balanced or fair.

adv. in a manner that maintains a consistent ratio or relationship between parts. Often used to describe scaling or distribution that reflects a specific percentage or share.

Examples

“The new office is proportionally larger than the old one.”

“The company increased its marketing budget proportionally to the rise in sales last quarter.”

“The architect designed the building so that the windows are proportionally sized to the height of the walls, creating a sense of balance and symmetry.”

Examples

simple

“The new office is proportionally larger than the old one.”

contextual

“The company increased its marketing budget proportionally to the rise in sales last quarter.”

complex

“The architect designed the building so that the windows are proportionally sized to the height of the walls, creating a sense of balance and symmetry.”

Real-World Examples

“Anthocyanins, which are responsible for the color of blueberries, are proportionally more significant and abundant in the fruit than flavanols, says Schwarcz.”
The Guardian 10 Sept 2026
“They saw declines in SIF that scaled proportionally with the amount of vegetation lost due to fire.”
Phys.org 3 Sept 2026

Etymology

From proportional + -ly.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADVERB

proportionally(B2)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Occasional
Level
B2 · Upper Intermediate
Updated

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English Reference