Home / 13,564.29-20,344.89-3,704.37

Finding the Fourth Proportional to 13,564.29, 20,344.89 and 3,704.37

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Solution

The fourth proportional to 13,564.29, 20,344.89 and 3,704.37 is: 5,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.29 : 20,344.89 = 3,704.37 : x
  2. Step 2: Convert to fraction form
    13,564.29/20,344.89 = 3,704.37/x
  3. Step 3: Cross multiply
    13,564.29x = 20,344.89 × 3,704.37
  4. Step 4: Simplify right side
    13,564.29x = 75,365,000.17
  5. Step 5: Solve for x
    x = 75,365,000.17/13,564.29
  6. Step 6: Final answer
    x = 5,556.13

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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.