Home / 11,550.97-15,940.35-6,245.79

Finding the Fourth Proportional to 11,550.97, 15,940.35 and 6,245.79

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Solution

The fourth proportional to 11,550.97, 15,940.35 and 6,245.79 is: 8,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.97 : 15,940.35 = 6,245.79 : x
  2. Step 2: Convert to fraction form
    11,550.97/15,940.35 = 6,245.79/x
  3. Step 3: Cross multiply
    11,550.97x = 15,940.35 × 6,245.79
  4. Step 4: Simplify right side
    11,550.97x = 99,560,078.63
  5. Step 5: Solve for x
    x = 99,560,078.63/11,550.97
  6. Step 6: Final answer
    x = 8,619.20

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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.