Home / 12,251.38-18,375.70-3,367.39

Finding the Fourth Proportional to 12,251.38, 18,375.70 and 3,367.39

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Solution

The fourth proportional to 12,251.38, 18,375.70 and 3,367.39 is: 5,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.38 : 18,375.70 = 3,367.39 : x
  2. Step 2: Convert to fraction form
    12,251.38/18,375.70 = 3,367.39/x
  3. Step 3: Cross multiply
    12,251.38x = 18,375.70 × 3,367.39
  4. Step 4: Simplify right side
    12,251.38x = 61,878,148.42
  5. Step 5: Solve for x
    x = 61,878,148.42/12,251.38
  6. Step 6: Final answer
    x = 5,050.71

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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.