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Finding the Fourth Proportional to 18,604.08, 27,906.12 and 9,255.79

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Solution

The fourth proportional to 18,604.08, 27,906.12 and 9,255.79 is: 13,883.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.08 : 27,906.12 = 9,255.79 : x
  2. Step 2: Convert to fraction form
    18,604.08/27,906.12 = 9,255.79/x
  3. Step 3: Cross multiply
    18,604.08x = 27,906.12 × 9,255.79
  4. Step 4: Simplify right side
    18,604.08x = 258,293,299.80
  5. Step 5: Solve for x
    x = 258,293,299.80/18,604.08
  6. Step 6: Final answer
    x = 13,883.69

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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.