Home / 13,358.72-20,037.96-3,998.48

Finding the Fourth Proportional to 13,358.72, 20,037.96 and 3,998.48

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Solution

The fourth proportional to 13,358.72, 20,037.96 and 3,998.48 is: 5,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.72 : 20,037.96 = 3,998.48 : x
  2. Step 2: Convert to fraction form
    13,358.72/20,037.96 = 3,998.48/x
  3. Step 3: Cross multiply
    13,358.72x = 20,037.96 × 3,998.48
  4. Step 4: Simplify right side
    13,358.72x = 80,121,282.11
  5. Step 5: Solve for x
    x = 80,121,282.11/13,358.72
  6. Step 6: Final answer
    x = 5,997.68

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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.