Home / 11,255.68-15,529.08-7,281.82

Finding the Fourth Proportional to 11,255.68, 15,529.08 and 7,281.82

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Solution

The fourth proportional to 11,255.68, 15,529.08 and 7,281.82 is: 10,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.68 : 15,529.08 = 7,281.82 : x
  2. Step 2: Convert to fraction form
    11,255.68/15,529.08 = 7,281.82/x
  3. Step 3: Cross multiply
    11,255.68x = 15,529.08 × 7,281.82
  4. Step 4: Simplify right side
    11,255.68x = 113,079,965.33
  5. Step 5: Solve for x
    x = 113,079,965.33/11,255.68
  6. Step 6: Final answer
    x = 10,046.48

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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.