Home / 22,511.24-31,065.22-12,440.38

Finding the Fourth Proportional to 22,511.24, 31,065.22 and 12,440.38

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Solution

The fourth proportional to 22,511.24, 31,065.22 and 12,440.38 is: 17,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.24 : 31,065.22 = 12,440.38 : x
  2. Step 2: Convert to fraction form
    22,511.24/31,065.22 = 12,440.38/x
  3. Step 3: Cross multiply
    22,511.24x = 31,065.22 × 12,440.38
  4. Step 4: Simplify right side
    22,511.24x = 386,463,141.58
  5. Step 5: Solve for x
    x = 386,463,141.58/22,511.24
  6. Step 6: Final answer
    x = 17,167.56

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Double scale
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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.