If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Ratios and proportions
What ratios and proportions are. Using them to solve problems in the real world.
All content in “Ratios and proportions”

Ratios and proportions

You remember a thing or two about ratios and proportions from you pre-algebra days. Well, how can we use these same ideas to solve problems in algebra. This tutorial re-introduces ratios in an algebraic context and helps us solve some awesome problems!