Home / 22,650.76-31,255.96-13,217.48

Finding the Fourth Proportional to 22,650.76, 31,255.96 and 13,217.48

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Solution

The fourth proportional to 22,650.76, 31,255.96 and 13,217.48 is: 18,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.76 : 31,255.96 = 13,217.48 : x
  2. Step 2: Convert to fraction form
    22,650.76/31,255.96 = 13,217.48/x
  3. Step 3: Cross multiply
    22,650.76x = 31,255.96 × 13,217.48
  4. Step 4: Simplify right side
    22,650.76x = 413,125,026.18
  5. Step 5: Solve for x
    x = 413,125,026.18/22,650.76
  6. Step 6: Final answer
    x = 18,238.90

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Double scale
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Similar ratio
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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.