Home / 9,187.82-13,788.67-6,729.02

Finding the Fourth Proportional to 9,187.82, 13,788.67 and 6,729.02

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Solution

The fourth proportional to 9,187.82, 13,788.67 and 6,729.02 is: 10,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.82 : 13,788.67 = 6,729.02 : x
  2. Step 2: Convert to fraction form
    9,187.82/13,788.67 = 6,729.02/x
  3. Step 3: Cross multiply
    9,187.82x = 13,788.67 × 6,729.02
  4. Step 4: Simplify right side
    9,187.82x = 92,784,227.38
  5. Step 5: Solve for x
    x = 92,784,227.38/9,187.82
  6. Step 6: Final answer
    x = 10,098.61

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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.