Home / 13,472.35-20,191.10-9,305.71

Finding the Fourth Proportional to 13,472.35, 20,191.10 and 9,305.71

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Solution

The fourth proportional to 13,472.35, 20,191.10 and 9,305.71 is: 13,946.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.35 : 20,191.10 = 9,305.71 : x
  2. Step 2: Convert to fraction form
    13,472.35/20,191.10 = 9,305.71/x
  3. Step 3: Cross multiply
    13,472.35x = 20,191.10 × 9,305.71
  4. Step 4: Simplify right side
    13,472.35x = 187,892,424.17
  5. Step 5: Solve for x
    x = 187,892,424.17/13,472.35
  6. Step 6: Final answer
    x = 13,946.52

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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.