Home / 18,644.18-27,960.33-6,161.87

Finding the Fourth Proportional to 18,644.18, 27,960.33 and 6,161.87

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Solution

The fourth proportional to 18,644.18, 27,960.33 and 6,161.87 is: 9,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644.18 : 27,960.33 = 6,161.87 : x
  2. Step 2: Convert to fraction form
    18,644.18/27,960.33 = 6,161.87/x
  3. Step 3: Cross multiply
    18,644.18x = 27,960.33 × 6,161.87
  4. Step 4: Simplify right side
    18,644.18x = 172,287,778.82
  5. Step 5: Solve for x
    x = 172,287,778.82/18,644.18
  6. Step 6: Final answer
    x = 9,240.84

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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.