Home / 10,286.80-15,427.11-3,266.53

Finding the Fourth Proportional to 10,286.80, 15,427.11 and 3,266.53

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Solution

The fourth proportional to 10,286.80, 15,427.11 and 3,266.53 is: 4,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.80 : 15,427.11 = 3,266.53 : x
  2. Step 2: Convert to fraction form
    10,286.80/15,427.11 = 3,266.53/x
  3. Step 3: Cross multiply
    10,286.80x = 15,427.11 × 3,266.53
  4. Step 4: Simplify right side
    10,286.80x = 50,393,117.63
  5. Step 5: Solve for x
    x = 50,393,117.63/10,286.80
  6. Step 6: Final answer
    x = 4,898.81

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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.