Home / 22,704.18-31,331.61-12,495.83

Finding the Fourth Proportional to 22,704.18, 31,331.61 and 12,495.83

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Solution

The fourth proportional to 22,704.18, 31,331.61 and 12,495.83 is: 17,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.18 : 31,331.61 = 12,495.83 : x
  2. Step 2: Convert to fraction form
    22,704.18/31,331.61 = 12,495.83/x
  3. Step 3: Cross multiply
    22,704.18x = 31,331.61 × 12,495.83
  4. Step 4: Simplify right side
    22,704.18x = 391,514,472.19
  5. Step 5: Solve for x
    x = 391,514,472.19/22,704.18
  6. Step 6: Final answer
    x = 17,244.16

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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.