Home / 10,914.63-15,061.38-6,198

Finding the Fourth Proportional to 10,914.63, 15,061.38 and 6,198

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Solution

The fourth proportional to 10,914.63, 15,061.38 and 6,198 is: 8,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.63 : 15,061.38 = 6,198 : x
  2. Step 2: Convert to fraction form
    10,914.63/15,061.38 = 6,198/x
  3. Step 3: Cross multiply
    10,914.63x = 15,061.38 × 6,198
  4. Step 4: Simplify right side
    10,914.63x = 93,350,433.24
  5. Step 5: Solve for x
    x = 93,350,433.24/10,914.63
  6. Step 6: Final answer
    x = 8,552.78

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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.