Home / 11,992.44-17,868.06-11,321.76

Finding the Fourth Proportional to 11,992.44, 17,868.06 and 11,321.76

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Solution

The fourth proportional to 11,992.44, 17,868.06 and 11,321.76 is: 16,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.44 : 17,868.06 = 11,321.76 : x
  2. Step 2: Convert to fraction form
    11,992.44/17,868.06 = 11,321.76/x
  3. Step 3: Cross multiply
    11,992.44x = 17,868.06 × 11,321.76
  4. Step 4: Simplify right side
    11,992.44x = 202,297,886.99
  5. Step 5: Solve for x
    x = 202,297,886.99/11,992.44
  6. Step 6: Final answer
    x = 16,868.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.