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Finding the Fourth Proportional to 15,609.88, 23,414.84 and 6,375.88

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Solution

The fourth proportional to 15,609.88, 23,414.84 and 6,375.88 is: 9,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609.88 : 23,414.84 = 6,375.88 : x
  2. Step 2: Convert to fraction form
    15,609.88/23,414.84 = 6,375.88/x
  3. Step 3: Cross multiply
    15,609.88x = 23,414.84 × 6,375.88
  4. Step 4: Simplify right side
    15,609.88x = 149,290,061.11
  5. Step 5: Solve for x
    x = 149,290,061.11/15,609.88
  6. Step 6: Final answer
    x = 9,563.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.