Home / 11,989.41-17,973.17-4,193.97

Finding the Fourth Proportional to 11,989.41, 17,973.17 and 4,193.97

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Solution

The fourth proportional to 11,989.41, 17,973.17 and 4,193.97 is: 6,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.41 : 17,973.17 = 4,193.97 : x
  2. Step 2: Convert to fraction form
    11,989.41/17,973.17 = 4,193.97/x
  3. Step 3: Cross multiply
    11,989.41x = 17,973.17 × 4,193.97
  4. Step 4: Simplify right side
    11,989.41x = 75,378,935.78
  5. Step 5: Solve for x
    x = 75,378,935.78/11,989.41
  6. Step 6: Final answer
    x = 6,287.13

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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.