Home / 11,910.09-17,865.27-4,512.57

Finding the Fourth Proportional to 11,910.09, 17,865.27 and 4,512.57

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Solution

The fourth proportional to 11,910.09, 17,865.27 and 4,512.57 is: 6,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.09 : 17,865.27 = 4,512.57 : x
  2. Step 2: Convert to fraction form
    11,910.09/17,865.27 = 4,512.57/x
  3. Step 3: Cross multiply
    11,910.09x = 17,865.27 × 4,512.57
  4. Step 4: Simplify right side
    11,910.09x = 80,618,281.44
  5. Step 5: Solve for x
    x = 80,618,281.44/11,910.09
  6. Step 6: Final answer
    x = 6,768.91

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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.