Home / 18,251.07-27,379.56-7,151.74

Finding the Fourth Proportional to 18,251.07, 27,379.56 and 7,151.74

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Solution

The fourth proportional to 18,251.07, 27,379.56 and 7,151.74 is: 10,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.07 : 27,379.56 = 7,151.74 : x
  2. Step 2: Convert to fraction form
    18,251.07/27,379.56 = 7,151.74/x
  3. Step 3: Cross multiply
    18,251.07x = 27,379.56 × 7,151.74
  4. Step 4: Simplify right side
    18,251.07x = 195,811,321.78
  5. Step 5: Solve for x
    x = 195,811,321.78/18,251.07
  6. Step 6: Final answer
    x = 10,728.76

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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.