Home / 11,372.16-15,691.78-6,334.76

Finding the Fourth Proportional to 11,372.16, 15,691.78 and 6,334.76

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Solution

The fourth proportional to 11,372.16, 15,691.78 and 6,334.76 is: 8,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.16 : 15,691.78 = 6,334.76 : x
  2. Step 2: Convert to fraction form
    11,372.16/15,691.78 = 6,334.76/x
  3. Step 3: Cross multiply
    11,372.16x = 15,691.78 × 6,334.76
  4. Step 4: Simplify right side
    11,372.16x = 99,403,660.27
  5. Step 5: Solve for x
    x = 99,403,660.27/11,372.16
  6. Step 6: Final answer
    x = 8,740.97

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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.