Home / 13,841.08-20,761.68-3,452.84

Finding the Fourth Proportional to 13,841.08, 20,761.68 and 3,452.84

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Solution

The fourth proportional to 13,841.08, 20,761.68 and 3,452.84 is: 5,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.08 : 20,761.68 = 3,452.84 : x
  2. Step 2: Convert to fraction form
    13,841.08/20,761.68 = 3,452.84/x
  3. Step 3: Cross multiply
    13,841.08x = 20,761.68 × 3,452.84
  4. Step 4: Simplify right side
    13,841.08x = 71,686,759.17
  5. Step 5: Solve for x
    x = 71,686,759.17/13,841.08
  6. Step 6: Final answer
    x = 5,179.27

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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.