Home / 13,463.46-20,198.57-7,921.44

Finding the Fourth Proportional to 13,463.46, 20,198.57 and 7,921.44

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Solution

The fourth proportional to 13,463.46, 20,198.57 and 7,921.44 is: 11,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.46 : 20,198.57 = 7,921.44 : x
  2. Step 2: Convert to fraction form
    13,463.46/20,198.57 = 7,921.44/x
  3. Step 3: Cross multiply
    13,463.46x = 20,198.57 × 7,921.44
  4. Step 4: Simplify right side
    13,463.46x = 160,001,720.73
  5. Step 5: Solve for x
    x = 160,001,720.73/13,463.46
  6. Step 6: Final answer
    x = 11,884.15

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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.