Home / 10,366.38-15,549.36-3,790.80

Finding the Fourth Proportional to 10,366.38, 15,549.36 and 3,790.80

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Solution

The fourth proportional to 10,366.38, 15,549.36 and 3,790.80 is: 5,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.38 : 15,549.36 = 3,790.80 : x
  2. Step 2: Convert to fraction form
    10,366.38/15,549.36 = 3,790.80/x
  3. Step 3: Cross multiply
    10,366.38x = 15,549.36 × 3,790.80
  4. Step 4: Simplify right side
    10,366.38x = 58,944,513.89
  5. Step 5: Solve for x
    x = 58,944,513.89/10,366.38
  6. Step 6: Final answer
    x = 5,686.12

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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.