Home / 8,007.12-12,011.22-2,163.60

Finding the Fourth Proportional to 8,007.12, 12,011.22 and 2,163.60

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Solution

The fourth proportional to 8,007.12, 12,011.22 and 2,163.60 is: 3,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.12 : 12,011.22 = 2,163.60 : x
  2. Step 2: Convert to fraction form
    8,007.12/12,011.22 = 2,163.60/x
  3. Step 3: Cross multiply
    8,007.12x = 12,011.22 × 2,163.60
  4. Step 4: Simplify right side
    8,007.12x = 25,987,475.59
  5. Step 5: Solve for x
    x = 25,987,475.59/8,007.12
  6. Step 6: Final answer
    x = 3,245.55

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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.