Home / 10,892.44-15,034.65-6,418.78

Finding the Fourth Proportional to 10,892.44, 15,034.65 and 6,418.78

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Solution

The fourth proportional to 10,892.44, 15,034.65 and 6,418.78 is: 8,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.44 : 15,034.65 = 6,418.78 : x
  2. Step 2: Convert to fraction form
    10,892.44/15,034.65 = 6,418.78/x
  3. Step 3: Cross multiply
    10,892.44x = 15,034.65 × 6,418.78
  4. Step 4: Simplify right side
    10,892.44x = 96,504,110.73
  5. Step 5: Solve for x
    x = 96,504,110.73/10,892.44
  6. Step 6: Final answer
    x = 8,859.73

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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.