Home / 10,408.67-15,614.31-3,386.80

Finding the Fourth Proportional to 10,408.67, 15,614.31 and 3,386.80

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Solution

The fourth proportional to 10,408.67, 15,614.31 and 3,386.80 is: 5,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.67 : 15,614.31 = 3,386.80 : x
  2. Step 2: Convert to fraction form
    10,408.67/15,614.31 = 3,386.80/x
  3. Step 3: Cross multiply
    10,408.67x = 15,614.31 × 3,386.80
  4. Step 4: Simplify right side
    10,408.67x = 52,882,545.11
  5. Step 5: Solve for x
    x = 52,882,545.11/10,408.67
  6. Step 6: Final answer
    x = 5,080.62

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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.