Home / 11,013.66-15,199.11-6,298.38

Finding the Fourth Proportional to 11,013.66, 15,199.11 and 6,298.38

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Solution

The fourth proportional to 11,013.66, 15,199.11 and 6,298.38 is: 8,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.66 : 15,199.11 = 6,298.38 : x
  2. Step 2: Convert to fraction form
    11,013.66/15,199.11 = 6,298.38/x
  3. Step 3: Cross multiply
    11,013.66x = 15,199.11 × 6,298.38
  4. Step 4: Simplify right side
    11,013.66x = 95,729,770.44
  5. Step 5: Solve for x
    x = 95,729,770.44/11,013.66
  6. Step 6: Final answer
    x = 8,691.91

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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.