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Finding the Fourth Proportional to 12,602.45, 18,906.48 and 3,838.04

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Solution

The fourth proportional to 12,602.45, 18,906.48 and 3,838.04 is: 5,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.45 : 18,906.48 = 3,838.04 : x
  2. Step 2: Convert to fraction form
    12,602.45/18,906.48 = 3,838.04/x
  3. Step 3: Cross multiply
    12,602.45x = 18,906.48 × 3,838.04
  4. Step 4: Simplify right side
    12,602.45x = 72,563,731.97
  5. Step 5: Solve for x
    x = 72,563,731.97/12,602.45
  6. Step 6: Final answer
    x = 5,757.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.