Home / 18,076.30-27,122.42-6,231.87

Finding the Fourth Proportional to 18,076.30, 27,122.42 and 6,231.87

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Solution

The fourth proportional to 18,076.30, 27,122.42 and 6,231.87 is: 9,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.30 : 27,122.42 = 6,231.87 : x
  2. Step 2: Convert to fraction form
    18,076.30/27,122.42 = 6,231.87/x
  3. Step 3: Cross multiply
    18,076.30x = 27,122.42 × 6,231.87
  4. Step 4: Simplify right side
    18,076.30x = 169,023,393.58
  5. Step 5: Solve for x
    x = 169,023,393.58/18,076.30
  6. Step 6: Final answer
    x = 9,350.55

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1.5x scale

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.