Home / 13,832.28-20,742.30-3,969.27

Finding the Fourth Proportional to 13,832.28, 20,742.30 and 3,969.27

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Solution

The fourth proportional to 13,832.28, 20,742.30 and 3,969.27 is: 5,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.28 : 20,742.30 = 3,969.27 : x
  2. Step 2: Convert to fraction form
    13,832.28/20,742.30 = 3,969.27/x
  3. Step 3: Cross multiply
    13,832.28x = 20,742.30 × 3,969.27
  4. Step 4: Simplify right side
    13,832.28x = 82,331,789.12
  5. Step 5: Solve for x
    x = 82,331,789.12/13,832.28
  6. Step 6: Final answer
    x = 5,952.15

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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.