Finding the Fourth Proportional to 11,566.13, 15,961.26 and 6,260.99
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Solution
The fourth proportional to 11,566.13, 15,961.26 and 6,260.99 is: 8,640.16
Step by Step Solution
- Step 1: Write the proportion equation
11,566.13 : 15,961.26 = 6,260.99 : x - Step 2: Convert to fraction form
11,566.13/15,961.26 = 6,260.99/x - Step 3: Cross multiply
11,566.13x = 15,961.26 × 6,260.99 - Step 4: Simplify right side
11,566.13x = 99,933,209.44 - Step 5: Solve for x
x = 99,933,209.44/11,566.13 - Step 6: Final answer
x = 8,640.16
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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.