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Finding the Fourth Proportional to 18,118.08, 25,002 and 10,160.88

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Solution

The fourth proportional to 18,118.08, 25,002 and 10,160.88 is: 14,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.08 : 25,002 = 10,160.88 : x
  2. Step 2: Convert to fraction form
    18,118.08/25,002 = 10,160.88/x
  3. Step 3: Cross multiply
    18,118.08x = 25,002 × 10,160.88
  4. Step 4: Simplify right side
    18,118.08x = 254,042,321.76
  5. Step 5: Solve for x
    x = 254,042,321.76/18,118.08
  6. Step 6: Final answer
    x = 14,021.48

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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.