Home / 11,932.83-16,467.77-8,163.90

Finding the Fourth Proportional to 11,932.83, 16,467.77 and 8,163.90

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Solution

The fourth proportional to 11,932.83, 16,467.77 and 8,163.90 is: 11,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.83 : 16,467.77 = 8,163.90 : x
  2. Step 2: Convert to fraction form
    11,932.83/16,467.77 = 8,163.90/x
  3. Step 3: Cross multiply
    11,932.83x = 16,467.77 × 8,163.90
  4. Step 4: Simplify right side
    11,932.83x = 134,441,247.91
  5. Step 5: Solve for x
    x = 134,441,247.91/11,932.83
  6. Step 6: Final answer
    x = 11,266.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.