Home / 8,114.11-12,163.82-3,182.43

Finding the Fourth Proportional to 8,114.11, 12,163.82 and 3,182.43

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Solution

The fourth proportional to 8,114.11, 12,163.82 and 3,182.43 is: 4,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.11 : 12,163.82 = 3,182.43 : x
  2. Step 2: Convert to fraction form
    8,114.11/12,163.82 = 3,182.43/x
  3. Step 3: Cross multiply
    8,114.11x = 12,163.82 × 3,182.43
  4. Step 4: Simplify right side
    8,114.11x = 38,710,467.76
  5. Step 5: Solve for x
    x = 38,710,467.76/8,114.11
  6. Step 6: Final answer
    x = 4,770.76

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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.