Home / 13,473.60-20,208.72-3,613.44

Finding the Fourth Proportional to 13,473.60, 20,208.72 and 3,613.44

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Solution

The fourth proportional to 13,473.60, 20,208.72 and 3,613.44 is: 5,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.60 : 20,208.72 = 3,613.44 : x
  2. Step 2: Convert to fraction form
    13,473.60/20,208.72 = 3,613.44/x
  3. Step 3: Cross multiply
    13,473.60x = 20,208.72 × 3,613.44
  4. Step 4: Simplify right side
    13,473.60x = 73,022,997.20
  5. Step 5: Solve for x
    x = 73,022,997.20/13,473.60
  6. Step 6: Final answer
    x = 5,419.71

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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.