Home / 13,757.20-20,635.54-3,369.04

Finding the Fourth Proportional to 13,757.20, 20,635.54 and 3,369.04

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Solution

The fourth proportional to 13,757.20, 20,635.54 and 3,369.04 is: 5,053.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.20 : 20,635.54 = 3,369.04 : x
  2. Step 2: Convert to fraction form
    13,757.20/20,635.54 = 3,369.04/x
  3. Step 3: Cross multiply
    13,757.20x = 20,635.54 × 3,369.04
  4. Step 4: Simplify right side
    13,757.20x = 69,521,959.68
  5. Step 5: Solve for x
    x = 69,521,959.68/13,757.20
  6. Step 6: Final answer
    x = 5,053.50

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1.5x scale

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.