Home / 19,937.12-29,906.22-8,251.16

Finding the Fourth Proportional to 19,937.12, 29,906.22 and 8,251.16

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Solution

The fourth proportional to 19,937.12, 29,906.22 and 8,251.16 is: 12,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.12 : 29,906.22 = 8,251.16 : x
  2. Step 2: Convert to fraction form
    19,937.12/29,906.22 = 8,251.16/x
  3. Step 3: Cross multiply
    19,937.12x = 29,906.22 × 8,251.16
  4. Step 4: Simplify right side
    19,937.12x = 246,761,006.22
  5. Step 5: Solve for x
    x = 246,761,006.22/19,937.12
  6. Step 6: Final answer
    x = 12,376.96

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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.