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Finding the Fourth Proportional to 10,998.99, 15,178.39 and 5,963.22

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Solution

The fourth proportional to 10,998.99, 15,178.39 and 5,963.22 is: 8,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.99 : 15,178.39 = 5,963.22 : x
  2. Step 2: Convert to fraction form
    10,998.99/15,178.39 = 5,963.22/x
  3. Step 3: Cross multiply
    10,998.99x = 15,178.39 × 5,963.22
  4. Step 4: Simplify right side
    10,998.99x = 90,512,063.91
  5. Step 5: Solve for x
    x = 90,512,063.91/10,998.99
  6. Step 6: Final answer
    x = 8,229.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.