Home / 14,251.38-21,377.96-5,486.30

Finding the Fourth Proportional to 14,251.38, 21,377.96 and 5,486.30

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Solution

The fourth proportional to 14,251.38, 21,377.96 and 5,486.30 is: 8,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.38 : 21,377.96 = 5,486.30 : x
  2. Step 2: Convert to fraction form
    14,251.38/21,377.96 = 5,486.30/x
  3. Step 3: Cross multiply
    14,251.38x = 21,377.96 × 5,486.30
  4. Step 4: Simplify right side
    14,251.38x = 117,285,901.95
  5. Step 5: Solve for x
    x = 117,285,901.95/14,251.38
  6. Step 6: Final answer
    x = 8,229.79

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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.