Home / 18,757.24-28,121.88-6,269.87

Finding the Fourth Proportional to 18,757.24, 28,121.88 and 6,269.87

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Solution

The fourth proportional to 18,757.24, 28,121.88 and 6,269.87 is: 9,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.24 : 28,121.88 = 6,269.87 : x
  2. Step 2: Convert to fraction form
    18,757.24/28,121.88 = 6,269.87/x
  3. Step 3: Cross multiply
    18,757.24x = 28,121.88 × 6,269.87
  4. Step 4: Simplify right side
    18,757.24x = 176,320,625.57
  5. Step 5: Solve for x
    x = 176,320,625.57/18,757.24
  6. Step 6: Final answer
    x = 9,400.14

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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.