Home / 22,610.30-31,204.10-13,179.47

Finding the Fourth Proportional to 22,610.30, 31,204.10 and 13,179.47

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Solution

The fourth proportional to 22,610.30, 31,204.10 and 13,179.47 is: 18,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.30 : 31,204.10 = 13,179.47 : x
  2. Step 2: Convert to fraction form
    22,610.30/31,204.10 = 13,179.47/x
  3. Step 3: Cross multiply
    22,610.30x = 31,204.10 × 13,179.47
  4. Step 4: Simplify right side
    22,610.30x = 411,253,376.76
  5. Step 5: Solve for x
    x = 411,253,376.76/22,610.30
  6. Step 6: Final answer
    x = 18,188.77

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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.