Home / 13,324.94-19,981.20-3,961.52

Finding the Fourth Proportional to 13,324.94, 19,981.20 and 3,961.52

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Solution

The fourth proportional to 13,324.94, 19,981.20 and 3,961.52 is: 5,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.94 : 19,981.20 = 3,961.52 : x
  2. Step 2: Convert to fraction form
    13,324.94/19,981.20 = 3,961.52/x
  3. Step 3: Cross multiply
    13,324.94x = 19,981.20 × 3,961.52
  4. Step 4: Simplify right side
    13,324.94x = 79,155,923.42
  5. Step 5: Solve for x
    x = 79,155,923.42/13,324.94
  6. Step 6: Final answer
    x = 5,940.43

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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.