Home / 11,229.78-15,497.20-6,194.20

Finding the Fourth Proportional to 11,229.78, 15,497.20 and 6,194.20

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Solution

The fourth proportional to 11,229.78, 15,497.20 and 6,194.20 is: 8,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.78 : 15,497.20 = 6,194.20 : x
  2. Step 2: Convert to fraction form
    11,229.78/15,497.20 = 6,194.20/x
  3. Step 3: Cross multiply
    11,229.78x = 15,497.20 × 6,194.20
  4. Step 4: Simplify right side
    11,229.78x = 95,992,756.24
  5. Step 5: Solve for x
    x = 95,992,756.24/11,229.78
  6. Step 6: Final answer
    x = 8,548.05

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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.