Home / 11,308.25-16,963.91-3,910.71

Finding the Fourth Proportional to 11,308.25, 16,963.91 and 3,910.71

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Solution

The fourth proportional to 11,308.25, 16,963.91 and 3,910.71 is: 5,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.25 : 16,963.91 = 3,910.71 : x
  2. Step 2: Convert to fraction form
    11,308.25/16,963.91 = 3,910.71/x
  3. Step 3: Cross multiply
    11,308.25x = 16,963.91 × 3,910.71
  4. Step 4: Simplify right side
    11,308.25x = 66,340,912.92
  5. Step 5: Solve for x
    x = 66,340,912.92/11,308.25
  6. Step 6: Final answer
    x = 5,866.60

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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.