Home / 10,172.85-15,261.61-3,932.91

Finding the Fourth Proportional to 10,172.85, 15,261.61 and 3,932.91

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Solution

The fourth proportional to 10,172.85, 15,261.61 and 3,932.91 is: 5,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.85 : 15,261.61 = 3,932.91 : x
  2. Step 2: Convert to fraction form
    10,172.85/15,261.61 = 3,932.91/x
  3. Step 3: Cross multiply
    10,172.85x = 15,261.61 × 3,932.91
  4. Step 4: Simplify right side
    10,172.85x = 60,022,528.75
  5. Step 5: Solve for x
    x = 60,022,528.75/10,172.85
  6. Step 6: Final answer
    x = 5,900.27

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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.