Home / 10,878.97-15,012.17-6,163.15

Finding the Fourth Proportional to 10,878.97, 15,012.17 and 6,163.15

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Solution

The fourth proportional to 10,878.97, 15,012.17 and 6,163.15 is: 8,504.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.97 : 15,012.17 = 6,163.15 : x
  2. Step 2: Convert to fraction form
    10,878.97/15,012.17 = 6,163.15/x
  3. Step 3: Cross multiply
    10,878.97x = 15,012.17 × 6,163.15
  4. Step 4: Simplify right side
    10,878.97x = 92,522,224.72
  5. Step 5: Solve for x
    x = 92,522,224.72/10,878.97
  6. Step 6: Final answer
    x = 8,504.69

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1.5x scale

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.