Home / 19,956.26-27,540.87-11,003.73

Finding the Fourth Proportional to 19,956.26, 27,540.87 and 11,003.73

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Solution

The fourth proportional to 19,956.26, 27,540.87 and 11,003.73 is: 15,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.26 : 27,540.87 = 11,003.73 : x
  2. Step 2: Convert to fraction form
    19,956.26/27,540.87 = 11,003.73/x
  3. Step 3: Cross multiply
    19,956.26x = 27,540.87 × 11,003.73
  4. Step 4: Simplify right side
    19,956.26x = 303,052,297.45
  5. Step 5: Solve for x
    x = 303,052,297.45/19,956.26
  6. Step 6: Final answer
    x = 15,185.83

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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.