Home / 13,534-20,301.12-5,326

Finding the Fourth Proportional to 13,534, 20,301.12 and 5,326

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Solution

The fourth proportional to 13,534, 20,301.12 and 5,326 is: 7,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534 : 20,301.12 = 5,326 : x
  2. Step 2: Convert to fraction form
    13,534/20,301.12 = 5,326/x
  3. Step 3: Cross multiply
    13,534x = 20,301.12 × 5,326
  4. Step 4: Simplify right side
    13,534x = 108,123,765.12
  5. Step 5: Solve for x
    x = 108,123,765.12/13,534
  6. Step 6: Final answer
    x = 7,989.05

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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.