Home / 11,123.46-16,691.77-4,108.39

Finding the Fourth Proportional to 11,123.46, 16,691.77 and 4,108.39

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Solution

The fourth proportional to 11,123.46, 16,691.77 and 4,108.39 is: 6,165.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.46 : 16,691.77 = 4,108.39 : x
  2. Step 2: Convert to fraction form
    11,123.46/16,691.77 = 4,108.39/x
  3. Step 3: Cross multiply
    11,123.46x = 16,691.77 × 4,108.39
  4. Step 4: Simplify right side
    11,123.46x = 68,576,300.95
  5. Step 5: Solve for x
    x = 68,576,300.95/11,123.46
  6. Step 6: Final answer
    x = 6,165.02

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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.