Home / 10,517.47-15,771.58-3,939.04

Finding the Fourth Proportional to 10,517.47, 15,771.58 and 3,939.04

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Solution

The fourth proportional to 10,517.47, 15,771.58 and 3,939.04 is: 5,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.47 : 15,771.58 = 3,939.04 : x
  2. Step 2: Convert to fraction form
    10,517.47/15,771.58 = 3,939.04/x
  3. Step 3: Cross multiply
    10,517.47x = 15,771.58 × 3,939.04
  4. Step 4: Simplify right side
    10,517.47x = 62,124,884.48
  5. Step 5: Solve for x
    x = 62,124,884.48/10,517.47
  6. Step 6: Final answer
    x = 5,906.83

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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.