Home / 12,510.30-18,759.92-3,743.54

Finding the Fourth Proportional to 12,510.30, 18,759.92 and 3,743.54

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Solution

The fourth proportional to 12,510.30, 18,759.92 and 3,743.54 is: 5,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.30 : 18,759.92 = 3,743.54 : x
  2. Step 2: Convert to fraction form
    12,510.30/18,759.92 = 3,743.54/x
  3. Step 3: Cross multiply
    12,510.30x = 18,759.92 × 3,743.54
  4. Step 4: Simplify right side
    12,510.30x = 70,228,398.40
  5. Step 5: Solve for x
    x = 70,228,398.40/12,510.30
  6. Step 6: Final answer
    x = 5,613.65

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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.