Home / 22,613.76-31,206.96-12,543.74

Finding the Fourth Proportional to 22,613.76, 31,206.96 and 12,543.74

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Solution

The fourth proportional to 22,613.76, 31,206.96 and 12,543.74 is: 17,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.76 : 31,206.96 = 12,543.74 : x
  2. Step 2: Convert to fraction form
    22,613.76/31,206.96 = 12,543.74/x
  3. Step 3: Cross multiply
    22,613.76x = 31,206.96 × 12,543.74
  4. Step 4: Simplify right side
    22,613.76x = 391,451,836.40
  5. Step 5: Solve for x
    x = 391,451,836.40/22,613.76
  6. Step 6: Final answer
    x = 17,310.34

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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.