Home / 12,461.27-18,691.90-4,565.39

Finding the Fourth Proportional to 12,461.27, 18,691.90 and 4,565.39

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Solution

The fourth proportional to 12,461.27, 18,691.90 and 4,565.39 is: 6,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.27 : 18,691.90 = 4,565.39 : x
  2. Step 2: Convert to fraction form
    12,461.27/18,691.90 = 4,565.39/x
  3. Step 3: Cross multiply
    12,461.27x = 18,691.90 × 4,565.39
  4. Step 4: Simplify right side
    12,461.27x = 85,335,708.47
  5. Step 5: Solve for x
    x = 85,335,708.47/12,461.27
  6. Step 6: Final answer
    x = 6,848.08

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.