Home / 11,311.38-16,961.58-3,913.26

Finding the Fourth Proportional to 11,311.38, 16,961.58 and 3,913.26

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Solution

The fourth proportional to 11,311.38, 16,961.58 and 3,913.26 is: 5,867.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.38 : 16,961.58 = 3,913.26 : x
  2. Step 2: Convert to fraction form
    11,311.38/16,961.58 = 3,913.26/x
  3. Step 3: Cross multiply
    11,311.38x = 16,961.58 × 3,913.26
  4. Step 4: Simplify right side
    11,311.38x = 66,375,072.55
  5. Step 5: Solve for x
    x = 66,375,072.55/11,311.38
  6. Step 6: Final answer
    x = 5,867.99

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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.