Home / 10,046.20-13,851.12-6,454.78

Finding the Fourth Proportional to 10,046.20, 13,851.12 and 6,454.78

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Solution

The fourth proportional to 10,046.20, 13,851.12 and 6,454.78 is: 8,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,046.20 : 13,851.12 = 6,454.78 : x
  2. Step 2: Convert to fraction form
    10,046.20/13,851.12 = 6,454.78/x
  3. Step 3: Cross multiply
    10,046.20x = 13,851.12 × 6,454.78
  4. Step 4: Simplify right side
    10,046.20x = 89,405,932.35
  5. Step 5: Solve for x
    x = 89,405,932.35/10,046.20
  6. Step 6: Final answer
    x = 8,899.48

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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.