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Finding the Fourth Proportional to 18,108, 24,988.68 and 10,150.92

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Solution

The fourth proportional to 18,108, 24,988.68 and 10,150.92 is: 14,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108 : 24,988.68 = 10,150.92 : x
  2. Step 2: Convert to fraction form
    18,108/24,988.68 = 10,150.92/x
  3. Step 3: Cross multiply
    18,108x = 24,988.68 × 10,150.92
  4. Step 4: Simplify right side
    18,108x = 253,658,091.59
  5. Step 5: Solve for x
    x = 253,658,091.59/18,108
  6. Step 6: Final answer
    x = 14,008.07

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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.