Home / 22,217.92-30,660.93-12,146.18

Finding the Fourth Proportional to 22,217.92, 30,660.93 and 12,146.18

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Solution

The fourth proportional to 22,217.92, 30,660.93 and 12,146.18 is: 16,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,217.92 : 30,660.93 = 12,146.18 : x
  2. Step 2: Convert to fraction form
    22,217.92/30,660.93 = 12,146.18/x
  3. Step 3: Cross multiply
    22,217.92x = 30,660.93 × 12,146.18
  4. Step 4: Simplify right side
    22,217.92x = 372,413,021.44
  5. Step 5: Solve for x
    x = 372,413,021.44/22,217.92
  6. Step 6: Final answer
    x = 16,761.83

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Half 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.