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Finding the Fourth Proportional to 9,481.89, 13,081.89 and 6,126.68

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Solution

The fourth proportional to 9,481.89, 13,081.89 and 6,126.68 is: 8,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481.89 : 13,081.89 = 6,126.68 : x
  2. Step 2: Convert to fraction form
    9,481.89/13,081.89 = 6,126.68/x
  3. Step 3: Cross multiply
    9,481.89x = 13,081.89 × 6,126.68
  4. Step 4: Simplify right side
    9,481.89x = 80,148,514.50
  5. Step 5: Solve for x
    x = 80,148,514.50/9,481.89
  6. Step 6: Final answer
    x = 8,452.80

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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.