Home / 13,696.62-20,544.96-3,308.37

Finding the Fourth Proportional to 13,696.62, 20,544.96 and 3,308.37

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Solution

The fourth proportional to 13,696.62, 20,544.96 and 3,308.37 is: 4,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.62 : 20,544.96 = 3,308.37 : x
  2. Step 2: Convert to fraction form
    13,696.62/20,544.96 = 3,308.37/x
  3. Step 3: Cross multiply
    13,696.62x = 20,544.96 × 3,308.37
  4. Step 4: Simplify right side
    13,696.62x = 67,970,329.32
  5. Step 5: Solve for x
    x = 67,970,329.32/13,696.62
  6. Step 6: Final answer
    x = 4,962.56

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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.