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Finding the Fourth Proportional to 23,163.60, 34,761.60 and 14,863.80

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Solution

The fourth proportional to 23,163.60, 34,761.60 and 14,863.80 is: 22,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.60 : 34,761.60 = 14,863.80 : x
  2. Step 2: Convert to fraction form
    23,163.60/34,761.60 = 14,863.80/x
  3. Step 3: Cross multiply
    23,163.60x = 34,761.60 × 14,863.80
  4. Step 4: Simplify right side
    23,163.60x = 516,689,470.08
  5. Step 5: Solve for x
    x = 516,689,470.08/23,163.60
  6. Step 6: Final answer
    x = 22,306.10

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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.