Home / 22,516.13-31,073.87-12,444.35

Finding the Fourth Proportional to 22,516.13, 31,073.87 and 12,444.35

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Solution

The fourth proportional to 22,516.13, 31,073.87 and 12,444.35 is: 17,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,516.13 : 31,073.87 = 12,444.35 : x
  2. Step 2: Convert to fraction form
    22,516.13/31,073.87 = 12,444.35/x
  3. Step 3: Cross multiply
    22,516.13x = 31,073.87 × 12,444.35
  4. Step 4: Simplify right side
    22,516.13x = 386,694,120.86
  5. Step 5: Solve for x
    x = 386,694,120.86/22,516.13
  6. Step 6: Final answer
    x = 17,174.09

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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.