Home / 11,260.64-15,540.27-6,481.31

Finding the Fourth Proportional to 11,260.64, 15,540.27 and 6,481.31

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Solution

The fourth proportional to 11,260.64, 15,540.27 and 6,481.31 is: 8,944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.64 : 15,540.27 = 6,481.31 : x
  2. Step 2: Convert to fraction form
    11,260.64/15,540.27 = 6,481.31/x
  3. Step 3: Cross multiply
    11,260.64x = 15,540.27 × 6,481.31
  4. Step 4: Simplify right side
    11,260.64x = 100,721,229.65
  5. Step 5: Solve for x
    x = 100,721,229.65/11,260.64
  6. Step 6: Final answer
    x = 8,944.54

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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.