Home / 11,438.32-17,163.24-4,517.68

Finding the Fourth Proportional to 11,438.32, 17,163.24 and 4,517.68

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Solution

The fourth proportional to 11,438.32, 17,163.24 and 4,517.68 is: 6,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.32 : 17,163.24 = 4,517.68 : x
  2. Step 2: Convert to fraction form
    11,438.32/17,163.24 = 4,517.68/x
  3. Step 3: Cross multiply
    11,438.32x = 17,163.24 × 4,517.68
  4. Step 4: Simplify right side
    11,438.32x = 77,538,026.08
  5. Step 5: Solve for x
    x = 77,538,026.08/11,438.32
  6. Step 6: Final answer
    x = 6,778.79

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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.