Home / 10,366.65-15,549.93-3,791.28

Finding the Fourth Proportional to 10,366.65, 15,549.93 and 3,791.28

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Solution

The fourth proportional to 10,366.65, 15,549.93 and 3,791.28 is: 5,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.65 : 15,549.93 = 3,791.28 : x
  2. Step 2: Convert to fraction form
    10,366.65/15,549.93 = 3,791.28/x
  3. Step 3: Cross multiply
    10,366.65x = 15,549.93 × 3,791.28
  4. Step 4: Simplify right side
    10,366.65x = 58,954,138.61
  5. Step 5: Solve for x
    x = 58,954,138.61/10,366.65
  6. Step 6: Final answer
    x = 5,686.90

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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.