Home / 11,286.98-16,956.41-7,962.87

Finding the Fourth Proportional to 11,286.98, 16,956.41 and 7,962.87

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Solution

The fourth proportional to 11,286.98, 16,956.41 and 7,962.87 is: 11,962.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.98 : 16,956.41 = 7,962.87 : x
  2. Step 2: Convert to fraction form
    11,286.98/16,956.41 = 7,962.87/x
  3. Step 3: Cross multiply
    11,286.98x = 16,956.41 × 7,962.87
  4. Step 4: Simplify right side
    11,286.98x = 135,021,648.68
  5. Step 5: Solve for x
    x = 135,021,648.68/11,286.98
  6. Step 6: Final answer
    x = 11,962.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.