Home / 11,475.92-15,733.62-11,268.56

Finding the Fourth Proportional to 11,475.92, 15,733.62 and 11,268.56

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Solution

The fourth proportional to 11,475.92, 15,733.62 and 11,268.56 is: 15,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.92 : 15,733.62 = 11,268.56 : x
  2. Step 2: Convert to fraction form
    11,475.92/15,733.62 = 11,268.56/x
  3. Step 3: Cross multiply
    11,475.92x = 15,733.62 × 11,268.56
  4. Step 4: Simplify right side
    11,475.92x = 177,295,240.99
  5. Step 5: Solve for x
    x = 177,295,240.99/11,475.92
  6. Step 6: Final answer
    x = 15,449.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.