Home / 11,983.38-17,983.17-4,192.26

Finding the Fourth Proportional to 11,983.38, 17,983.17 and 4,192.26

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Solution

The fourth proportional to 11,983.38, 17,983.17 and 4,192.26 is: 6,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.38 : 17,983.17 = 4,192.26 : x
  2. Step 2: Convert to fraction form
    11,983.38/17,983.17 = 4,192.26/x
  3. Step 3: Cross multiply
    11,983.38x = 17,983.17 × 4,192.26
  4. Step 4: Simplify right side
    11,983.38x = 75,390,124.26
  5. Step 5: Solve for x
    x = 75,390,124.26/11,983.38
  6. Step 6: Final answer
    x = 6,291.22

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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.