Home / 11,414.66-17,122.47-3,923.36

Finding the Fourth Proportional to 11,414.66, 17,122.47 and 3,923.36

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Solution

The fourth proportional to 11,414.66, 17,122.47 and 3,923.36 is: 5,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.66 : 17,122.47 = 3,923.36 : x
  2. Step 2: Convert to fraction form
    11,414.66/17,122.47 = 3,923.36/x
  3. Step 3: Cross multiply
    11,414.66x = 17,122.47 × 3,923.36
  4. Step 4: Simplify right side
    11,414.66x = 67,177,613.90
  5. Step 5: Solve for x
    x = 67,177,613.90/11,414.66
  6. Step 6: Final answer
    x = 5,885.20

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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.