Home / 10,960.55-15,121.94-6,179.90

Finding the Fourth Proportional to 10,960.55, 15,121.94 and 6,179.90

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Solution

The fourth proportional to 10,960.55, 15,121.94 and 6,179.90 is: 8,526.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.55 : 15,121.94 = 6,179.90 : x
  2. Step 2: Convert to fraction form
    10,960.55/15,121.94 = 6,179.90/x
  3. Step 3: Cross multiply
    10,960.55x = 15,121.94 × 6,179.90
  4. Step 4: Simplify right side
    10,960.55x = 93,452,077.01
  5. Step 5: Solve for x
    x = 93,452,077.01/10,960.55
  6. Step 6: Final answer
    x = 8,526.22

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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.