Home / 10,924.67-15,081.19-8,538.11

Finding the Fourth Proportional to 10,924.67, 15,081.19 and 8,538.11

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Solution

The fourth proportional to 10,924.67, 15,081.19 and 8,538.11 is: 11,786.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,924.67 : 15,081.19 = 8,538.11 : x
  2. Step 2: Convert to fraction form
    10,924.67/15,081.19 = 8,538.11/x
  3. Step 3: Cross multiply
    10,924.67x = 15,081.19 × 8,538.11
  4. Step 4: Simplify right side
    10,924.67x = 128,764,818.95
  5. Step 5: Solve for x
    x = 128,764,818.95/10,924.67
  6. Step 6: Final answer
    x = 11,786.61

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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.