Home / 13,838.28-20,757.50-3,450.04

Finding the Fourth Proportional to 13,838.28, 20,757.50 and 3,450.04

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Solution

The fourth proportional to 13,838.28, 20,757.50 and 3,450.04 is: 5,175.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838.28 : 20,757.50 = 3,450.04 : x
  2. Step 2: Convert to fraction form
    13,838.28/20,757.50 = 3,450.04/x
  3. Step 3: Cross multiply
    13,838.28x = 20,757.50 × 3,450.04
  4. Step 4: Simplify right side
    13,838.28x = 71,614,205.30
  5. Step 5: Solve for x
    x = 71,614,205.30/13,838.28
  6. Step 6: Final answer
    x = 5,175.08

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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.