Home / 10,534.55-15,801.66-3,139.04

Finding the Fourth Proportional to 10,534.55, 15,801.66 and 3,139.04

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Solution

The fourth proportional to 10,534.55, 15,801.66 and 3,139.04 is: 4,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534.55 : 15,801.66 = 3,139.04 : x
  2. Step 2: Convert to fraction form
    10,534.55/15,801.66 = 3,139.04/x
  3. Step 3: Cross multiply
    10,534.55x = 15,801.66 × 3,139.04
  4. Step 4: Simplify right side
    10,534.55x = 49,601,963.80
  5. Step 5: Solve for x
    x = 49,601,963.80/10,534.55
  6. Step 6: Final answer
    x = 4,708.51

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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.