Home / 8,163.11-12,245.09-2,320.17

Finding the Fourth Proportional to 8,163.11, 12,245.09 and 2,320.17

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Solution

The fourth proportional to 8,163.11, 12,245.09 and 2,320.17 is: 3,480.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.11 : 12,245.09 = 2,320.17 : x
  2. Step 2: Convert to fraction form
    8,163.11/12,245.09 = 2,320.17/x
  3. Step 3: Cross multiply
    8,163.11x = 12,245.09 × 2,320.17
  4. Step 4: Simplify right side
    8,163.11x = 28,410,678.86
  5. Step 5: Solve for x
    x = 28,410,678.86/8,163.11
  6. Step 6: Final answer
    x = 3,480.38

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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.