Home / 11,791.22-16,272.20-6,486.18

Finding the Fourth Proportional to 11,791.22, 16,272.20 and 6,486.18

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Solution

The fourth proportional to 11,791.22, 16,272.20 and 6,486.18 is: 8,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.22 : 16,272.20 = 6,486.18 : x
  2. Step 2: Convert to fraction form
    11,791.22/16,272.20 = 6,486.18/x
  3. Step 3: Cross multiply
    11,791.22x = 16,272.20 × 6,486.18
  4. Step 4: Simplify right side
    11,791.22x = 105,544,418.20
  5. Step 5: Solve for x
    x = 105,544,418.20/11,791.22
  6. Step 6: Final answer
    x = 8,951.10

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Double scale
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1.5x scale

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.