Home / 13,170.33-19,752.54-3,808.26

Finding the Fourth Proportional to 13,170.33, 19,752.54 and 3,808.26

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Solution

The fourth proportional to 13,170.33, 19,752.54 and 3,808.26 is: 5,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.33 : 19,752.54 = 3,808.26 : x
  2. Step 2: Convert to fraction form
    13,170.33/19,752.54 = 3,808.26/x
  3. Step 3: Cross multiply
    13,170.33x = 19,752.54 × 3,808.26
  4. Step 4: Simplify right side
    13,170.33x = 75,222,793.70
  5. Step 5: Solve for x
    x = 75,222,793.70/13,170.33
  6. Step 6: Final answer
    x = 5,711.53

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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.