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Finding the Fourth Proportional to 18,168.68, 27,250 and 5,018.04

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Solution

The fourth proportional to 18,168.68, 27,250 and 5,018.04 is: 7,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.68 : 27,250 = 5,018.04 : x
  2. Step 2: Convert to fraction form
    18,168.68/27,250 = 5,018.04/x
  3. Step 3: Cross multiply
    18,168.68x = 27,250 × 5,018.04
  4. Step 4: Simplify right side
    18,168.68x = 136,741,590
  5. Step 5: Solve for x
    x = 136,741,590/18,168.68
  6. Step 6: Final answer
    x = 7,526.23

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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.