Home / 13,835.38-20,750.04-3,972.46

Finding the Fourth Proportional to 13,835.38, 20,750.04 and 3,972.46

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Solution

The fourth proportional to 13,835.38, 20,750.04 and 3,972.46 is: 5,957.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.38 : 20,750.04 = 3,972.46 : x
  2. Step 2: Convert to fraction form
    13,835.38/20,750.04 = 3,972.46/x
  3. Step 3: Cross multiply
    13,835.38x = 20,750.04 × 3,972.46
  4. Step 4: Simplify right side
    13,835.38x = 82,428,703.90
  5. Step 5: Solve for x
    x = 82,428,703.90/13,835.38
  6. Step 6: Final answer
    x = 5,957.82

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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.