Home / 13,742.04-20,613.11-5,843.43

Finding the Fourth Proportional to 13,742.04, 20,613.11 and 5,843.43

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Solution

The fourth proportional to 13,742.04, 20,613.11 and 5,843.43 is: 8,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742.04 : 20,613.11 = 5,843.43 : x
  2. Step 2: Convert to fraction form
    13,742.04/20,613.11 = 5,843.43/x
  3. Step 3: Cross multiply
    13,742.04x = 20,613.11 × 5,843.43
  4. Step 4: Simplify right side
    13,742.04x = 120,451,236.15
  5. Step 5: Solve for x
    x = 120,451,236.15/13,742.04
  6. Step 6: Final answer
    x = 8,765.16

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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.