Finding the Fourth Proportional to 17,712.88, 24,423.49 and 13,229.06
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Solution
The fourth proportional to 17,712.88, 24,423.49 and 13,229.06 is: 18,240.95
Step by Step Solution
- Step 1: Write the proportion equation
17,712.88 : 24,423.49 = 13,229.06 : x - Step 2: Convert to fraction form
17,712.88/24,423.49 = 13,229.06/x - Step 3: Cross multiply
17,712.88x = 24,423.49 × 13,229.06 - Step 4: Simplify right side
17,712.88x = 323,099,709.04 - Step 5: Solve for x
x = 323,099,709.04/17,712.88 - Step 6: Final answer
x = 18,240.95
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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.