Home / 14,747.52-20,337.12-9,714.72

Finding the Fourth Proportional to 14,747.52, 20,337.12 and 9,714.72

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Solution

The fourth proportional to 14,747.52, 20,337.12 and 9,714.72 is: 13,396.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.52 : 20,337.12 = 9,714.72 : x
  2. Step 2: Convert to fraction form
    14,747.52/20,337.12 = 9,714.72/x
  3. Step 3: Cross multiply
    14,747.52x = 20,337.12 × 9,714.72
  4. Step 4: Simplify right side
    14,747.52x = 197,569,426.41
  5. Step 5: Solve for x
    x = 197,569,426.41/14,747.52
  6. Step 6: Final answer
    x = 13,396.79

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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.