Home / 13,324.06-19,982.62-3,961.56

Finding the Fourth Proportional to 13,324.06, 19,982.62 and 3,961.56

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Solution

The fourth proportional to 13,324.06, 19,982.62 and 3,961.56 is: 5,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.06 : 19,982.62 = 3,961.56 : x
  2. Step 2: Convert to fraction form
    13,324.06/19,982.62 = 3,961.56/x
  3. Step 3: Cross multiply
    13,324.06x = 19,982.62 × 3,961.56
  4. Step 4: Simplify right side
    13,324.06x = 79,162,349.49
  5. Step 5: Solve for x
    x = 79,162,349.49/13,324.06
  6. Step 6: Final answer
    x = 5,941.31

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1.5x scale

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.