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Finding the Fourth Proportional to 9,194.78, 13,781.36 and 4,253.98

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Solution

The fourth proportional to 9,194.78, 13,781.36 and 4,253.98 is: 6,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.78 : 13,781.36 = 4,253.98 : x
  2. Step 2: Convert to fraction form
    9,194.78/13,781.36 = 4,253.98/x
  3. Step 3: Cross multiply
    9,194.78x = 13,781.36 × 4,253.98
  4. Step 4: Simplify right side
    9,194.78x = 58,625,605.99
  5. Step 5: Solve for x
    x = 58,625,605.99/9,194.78
  6. Step 6: Final answer
    x = 6,375.97

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1.5x scale

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.