Home / 8,163.48-12,245.30-3,234.32

Finding the Fourth Proportional to 8,163.48, 12,245.30 and 3,234.32

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Solution

The fourth proportional to 8,163.48, 12,245.30 and 3,234.32 is: 4,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.48 : 12,245.30 = 3,234.32 : x
  2. Step 2: Convert to fraction form
    8,163.48/12,245.30 = 3,234.32/x
  3. Step 3: Cross multiply
    8,163.48x = 12,245.30 × 3,234.32
  4. Step 4: Simplify right side
    8,163.48x = 39,605,218.70
  5. Step 5: Solve for x
    x = 39,605,218.70/8,163.48
  6. Step 6: Final answer
    x = 4,851.51

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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.