Home / 13,353.14-20,028.17-3,493.37

Finding the Fourth Proportional to 13,353.14, 20,028.17 and 3,493.37

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Solution

The fourth proportional to 13,353.14, 20,028.17 and 3,493.37 is: 5,239.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.14 : 20,028.17 = 3,493.37 : x
  2. Step 2: Convert to fraction form
    13,353.14/20,028.17 = 3,493.37/x
  3. Step 3: Cross multiply
    13,353.14x = 20,028.17 × 3,493.37
  4. Step 4: Simplify right side
    13,353.14x = 69,965,716.83
  5. Step 5: Solve for x
    x = 69,965,716.83/13,353.14
  6. Step 6: Final answer
    x = 5,239.65

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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.