Finding the Fourth Proportional to 19,330.25, 26,675.30 and 11,372.99
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Solution
The fourth proportional to 19,330.25, 26,675.30 and 11,372.99 is: 15,694.46
Step by Step Solution
- Step 1: Write the proportion equation
19,330.25 : 26,675.30 = 11,372.99 : x - Step 2: Convert to fraction form
19,330.25/26,675.30 = 11,372.99/x - Step 3: Cross multiply
19,330.25x = 26,675.30 × 11,372.99 - Step 4: Simplify right side
19,330.25x = 303,377,920.15 - Step 5: Solve for x
x = 303,377,920.15/19,330.25 - Step 6: Final answer
x = 15,694.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.