Home / 12,337.31-18,505.97-3,103.31

Finding the Fourth Proportional to 12,337.31, 18,505.97 and 3,103.31

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Solution

The fourth proportional to 12,337.31, 18,505.97 and 3,103.31 is: 4,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,337.31 : 18,505.97 = 3,103.31 : x
  2. Step 2: Convert to fraction form
    12,337.31/18,505.97 = 3,103.31/x
  3. Step 3: Cross multiply
    12,337.31x = 18,505.97 × 3,103.31
  4. Step 4: Simplify right side
    12,337.31x = 57,429,804.15
  5. Step 5: Solve for x
    x = 57,429,804.15/12,337.31
  6. Step 6: Final answer
    x = 4,654.97

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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.