Home / 18,326.18-27,489.57-7,232.78

Finding the Fourth Proportional to 18,326.18, 27,489.57 and 7,232.78

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Solution

The fourth proportional to 18,326.18, 27,489.57 and 7,232.78 is: 10,849.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.18 : 27,489.57 = 7,232.78 : x
  2. Step 2: Convert to fraction form
    18,326.18/27,489.57 = 7,232.78/x
  3. Step 3: Cross multiply
    18,326.18x = 27,489.57 × 7,232.78
  4. Step 4: Simplify right side
    18,326.18x = 198,825,939.76
  5. Step 5: Solve for x
    x = 198,825,939.76/18,326.18
  6. Step 6: Final answer
    x = 10,849.28

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Similar ratio
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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.