Home / 11,179.13-15,427.19-6,463.71

Finding the Fourth Proportional to 11,179.13, 15,427.19 and 6,463.71

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Solution

The fourth proportional to 11,179.13, 15,427.19 and 6,463.71 is: 8,919.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.13 : 15,427.19 = 6,463.71 : x
  2. Step 2: Convert to fraction form
    11,179.13/15,427.19 = 6,463.71/x
  3. Step 3: Cross multiply
    11,179.13x = 15,427.19 × 6,463.71
  4. Step 4: Simplify right side
    11,179.13x = 99,716,898.43
  5. Step 5: Solve for x
    x = 99,716,898.43/11,179.13
  6. Step 6: Final answer
    x = 8,919.92

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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.