Home / 22,660.22-31,276.10-12,592.12

Finding the Fourth Proportional to 22,660.22, 31,276.10 and 12,592.12

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Solution

The fourth proportional to 22,660.22, 31,276.10 and 12,592.12 is: 17,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.22 : 31,276.10 = 12,592.12 : x
  2. Step 2: Convert to fraction form
    22,660.22/31,276.10 = 12,592.12/x
  3. Step 3: Cross multiply
    22,660.22x = 31,276.10 × 12,592.12
  4. Step 4: Simplify right side
    22,660.22x = 393,832,404.33
  5. Step 5: Solve for x
    x = 393,832,404.33/22,660.22
  6. Step 6: Final answer
    x = 17,379.90

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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.