Home / 22,708.18-31,310.08-14,747.50

Finding the Fourth Proportional to 22,708.18, 31,310.08 and 14,747.50

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Solution

The fourth proportional to 22,708.18, 31,310.08 and 14,747.50 is: 20,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.18 : 31,310.08 = 14,747.50 : x
  2. Step 2: Convert to fraction form
    22,708.18/31,310.08 = 14,747.50/x
  3. Step 3: Cross multiply
    22,708.18x = 31,310.08 × 14,747.50
  4. Step 4: Simplify right side
    22,708.18x = 461,745,404.80
  5. Step 5: Solve for x
    x = 461,745,404.80/22,708.18
  6. Step 6: Final answer
    x = 20,333.88

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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.