Home / 13,323.70-19,982.13-3,961.29

Finding the Fourth Proportional to 13,323.70, 19,982.13 and 3,961.29

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Solution

The fourth proportional to 13,323.70, 19,982.13 and 3,961.29 is: 5,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.70 : 19,982.13 = 3,961.29 : x
  2. Step 2: Convert to fraction form
    13,323.70/19,982.13 = 3,961.29/x
  3. Step 3: Cross multiply
    13,323.70x = 19,982.13 × 3,961.29
  4. Step 4: Simplify right side
    13,323.70x = 79,155,011.75
  5. Step 5: Solve for x
    x = 79,155,011.75/13,323.70
  6. Step 6: Final answer
    x = 5,940.92

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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.