Home / 13,306.89-19,949.51-4,982.24

Finding the Fourth Proportional to 13,306.89, 19,949.51 and 4,982.24

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Solution

The fourth proportional to 13,306.89, 19,949.51 and 4,982.24 is: 7,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.89 : 19,949.51 = 4,982.24 : x
  2. Step 2: Convert to fraction form
    13,306.89/19,949.51 = 4,982.24/x
  3. Step 3: Cross multiply
    13,306.89x = 19,949.51 × 4,982.24
  4. Step 4: Simplify right side
    13,306.89x = 99,393,221.79
  5. Step 5: Solve for x
    x = 99,393,221.79/13,306.89
  6. Step 6: Final answer
    x = 7,469.31

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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.