Home / 11,791.93-16,272.69-6,486.43

Finding the Fourth Proportional to 11,791.93, 16,272.69 and 6,486.43

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Solution

The fourth proportional to 11,791.93, 16,272.69 and 6,486.43 is: 8,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.93 : 16,272.69 = 6,486.43 : x
  2. Step 2: Convert to fraction form
    11,791.93/16,272.69 = 6,486.43/x
  3. Step 3: Cross multiply
    11,791.93x = 16,272.69 × 6,486.43
  4. Step 4: Simplify right side
    11,791.93x = 105,551,664.60
  5. Step 5: Solve for x
    x = 105,551,664.60/11,791.93
  6. Step 6: Final answer
    x = 8,951.18

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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.