Home / 10,286.60-15,429.79-3,266.43

Finding the Fourth Proportional to 10,286.60, 15,429.79 and 3,266.43

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Solution

The fourth proportional to 10,286.60, 15,429.79 and 3,266.43 is: 4,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.60 : 15,429.79 = 3,266.43 : x
  2. Step 2: Convert to fraction form
    10,286.60/15,429.79 = 3,266.43/x
  3. Step 3: Cross multiply
    10,286.60x = 15,429.79 × 3,266.43
  4. Step 4: Simplify right side
    10,286.60x = 50,400,290.38
  5. Step 5: Solve for x
    x = 50,400,290.38/10,286.60
  6. Step 6: Final answer
    x = 4,899.61

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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.