Home / 13,838.04-20,757.30-3,449.82

Finding the Fourth Proportional to 13,838.04, 20,757.30 and 3,449.82

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Solution

The fourth proportional to 13,838.04, 20,757.30 and 3,449.82 is: 5,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838.04 : 20,757.30 = 3,449.82 : x
  2. Step 2: Convert to fraction form
    13,838.04/20,757.30 = 3,449.82/x
  3. Step 3: Cross multiply
    13,838.04x = 20,757.30 × 3,449.82
  4. Step 4: Simplify right side
    13,838.04x = 71,608,948.69
  5. Step 5: Solve for x
    x = 71,608,948.69/13,838.04
  6. Step 6: Final answer
    x = 5,174.79

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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.