Home / 19,956.30-27,540.18-11,003.94

Finding the Fourth Proportional to 19,956.30, 27,540.18 and 11,003.94

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Solution

The fourth proportional to 19,956.30, 27,540.18 and 11,003.94 is: 15,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.30 : 27,540.18 = 11,003.94 : x
  2. Step 2: Convert to fraction form
    19,956.30/27,540.18 = 11,003.94/x
  3. Step 3: Cross multiply
    19,956.30x = 27,540.18 × 11,003.94
  4. Step 4: Simplify right side
    19,956.30x = 303,050,488.31
  5. Step 5: Solve for x
    x = 303,050,488.31/19,956.30
  6. Step 6: Final answer
    x = 15,185.71

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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.