Home / 11,431.38-17,145.33-4,414.73

Finding the Fourth Proportional to 11,431.38, 17,145.33 and 4,414.73

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Solution

The fourth proportional to 11,431.38, 17,145.33 and 4,414.73 is: 6,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.38 : 17,145.33 = 4,414.73 : x
  2. Step 2: Convert to fraction form
    11,431.38/17,145.33 = 4,414.73/x
  3. Step 3: Cross multiply
    11,431.38x = 17,145.33 × 4,414.73
  4. Step 4: Simplify right side
    11,431.38x = 75,691,916.98
  5. Step 5: Solve for x
    x = 75,691,916.98/11,431.38
  6. Step 6: Final answer
    x = 6,621.42

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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.