Home / 11,015.38-15,198.60-6,299.56

Finding the Fourth Proportional to 11,015.38, 15,198.60 and 6,299.56

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Solution

The fourth proportional to 11,015.38, 15,198.60 and 6,299.56 is: 8,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.38 : 15,198.60 = 6,299.56 : x
  2. Step 2: Convert to fraction form
    11,015.38/15,198.60 = 6,299.56/x
  3. Step 3: Cross multiply
    11,015.38x = 15,198.60 × 6,299.56
  4. Step 4: Simplify right side
    11,015.38x = 95,744,492.62
  5. Step 5: Solve for x
    x = 95,744,492.62/11,015.38
  6. Step 6: Final answer
    x = 8,691.89

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.