Home / 13,324.08-19,982.70-3,961.92

Finding the Fourth Proportional to 13,324.08, 19,982.70 and 3,961.92

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Solution

The fourth proportional to 13,324.08, 19,982.70 and 3,961.92 is: 5,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.08 : 19,982.70 = 3,961.92 : x
  2. Step 2: Convert to fraction form
    13,324.08/19,982.70 = 3,961.92/x
  3. Step 3: Cross multiply
    13,324.08x = 19,982.70 × 3,961.92
  4. Step 4: Simplify right side
    13,324.08x = 79,169,858.78
  5. Step 5: Solve for x
    x = 79,169,858.78/13,324.08
  6. Step 6: Final answer
    x = 5,941.86

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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.