Home / 11,163.52-16,745.28-8,104.96

Finding the Fourth Proportional to 11,163.52, 16,745.28 and 8,104.96

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Solution

The fourth proportional to 11,163.52, 16,745.28 and 8,104.96 is: 12,157.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.52 : 16,745.28 = 8,104.96 : x
  2. Step 2: Convert to fraction form
    11,163.52/16,745.28 = 8,104.96/x
  3. Step 3: Cross multiply
    11,163.52x = 16,745.28 × 8,104.96
  4. Step 4: Simplify right side
    11,163.52x = 135,719,824.59
  5. Step 5: Solve for x
    x = 135,719,824.59/11,163.52
  6. Step 6: Final answer
    x = 12,157.44

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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.