Home / 13,532.75-20,296.73-3,672.80

Finding the Fourth Proportional to 13,532.75, 20,296.73 and 3,672.80

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Solution

The fourth proportional to 13,532.75, 20,296.73 and 3,672.80 is: 5,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.75 : 20,296.73 = 3,672.80 : x
  2. Step 2: Convert to fraction form
    13,532.75/20,296.73 = 3,672.80/x
  3. Step 3: Cross multiply
    13,532.75x = 20,296.73 × 3,672.80
  4. Step 4: Simplify right side
    13,532.75x = 74,545,723.87
  5. Step 5: Solve for x
    x = 74,545,723.87/13,532.75
  6. Step 6: Final answer
    x = 5,508.54

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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.