Home / 11,791.23-16,272.33-6,486.45

Finding the Fourth Proportional to 11,791.23, 16,272.33 and 6,486.45

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Solution

The fourth proportional to 11,791.23, 16,272.33 and 6,486.45 is: 8,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.23 : 16,272.33 = 6,486.45 : x
  2. Step 2: Convert to fraction form
    11,791.23/16,272.33 = 6,486.45/x
  3. Step 3: Cross multiply
    11,791.23x = 16,272.33 × 6,486.45
  4. Step 4: Simplify right side
    11,791.23x = 105,549,654.93
  5. Step 5: Solve for x
    x = 105,549,654.93/11,791.23
  6. Step 6: Final answer
    x = 8,951.54

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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.