Home / 18,750.24-28,122.42-6,270.18

Finding the Fourth Proportional to 18,750.24, 28,122.42 and 6,270.18

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Solution

The fourth proportional to 18,750.24, 28,122.42 and 6,270.18 is: 9,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.24 : 28,122.42 = 6,270.18 : x
  2. Step 2: Convert to fraction form
    18,750.24/28,122.42 = 6,270.18/x
  3. Step 3: Cross multiply
    18,750.24x = 28,122.42 × 6,270.18
  4. Step 4: Simplify right side
    18,750.24x = 176,332,635.44
  5. Step 5: Solve for x
    x = 176,332,635.44/18,750.24
  6. Step 6: Final answer
    x = 9,404.29

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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.