Home / 8,163.62-12,243.56-3,999.44

Finding the Fourth Proportional to 8,163.62, 12,243.56 and 3,999.44

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Solution

The fourth proportional to 8,163.62, 12,243.56 and 3,999.44 is: 5,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.62 : 12,243.56 = 3,999.44 : x
  2. Step 2: Convert to fraction form
    8,163.62/12,243.56 = 3,999.44/x
  3. Step 3: Cross multiply
    8,163.62x = 12,243.56 × 3,999.44
  4. Step 4: Simplify right side
    8,163.62x = 48,967,383.61
  5. Step 5: Solve for x
    x = 48,967,383.61/8,163.62
  6. Step 6: Final answer
    x = 5,998.24

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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.