Home / 13,933.25-20,898.20-3,545.09

Finding the Fourth Proportional to 13,933.25, 20,898.20 and 3,545.09

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Solution

The fourth proportional to 13,933.25, 20,898.20 and 3,545.09 is: 5,317.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.25 : 20,898.20 = 3,545.09 : x
  2. Step 2: Convert to fraction form
    13,933.25/20,898.20 = 3,545.09/x
  3. Step 3: Cross multiply
    13,933.25x = 20,898.20 × 3,545.09
  4. Step 4: Simplify right side
    13,933.25x = 74,085,982.11
  5. Step 5: Solve for x
    x = 74,085,982.11/13,933.25
  6. Step 6: Final answer
    x = 5,317.21

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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.