Home / 13,399.38-20,097.27-3,538.62

Finding the Fourth Proportional to 13,399.38, 20,097.27 and 3,538.62

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Solution

The fourth proportional to 13,399.38, 20,097.27 and 3,538.62 is: 5,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.38 : 20,097.27 = 3,538.62 : x
  2. Step 2: Convert to fraction form
    13,399.38/20,097.27 = 3,538.62/x
  3. Step 3: Cross multiply
    13,399.38x = 20,097.27 × 3,538.62
  4. Step 4: Simplify right side
    13,399.38x = 71,116,601.57
  5. Step 5: Solve for x
    x = 71,116,601.57/13,399.38
  6. Step 6: Final answer
    x = 5,307.45

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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.