Home / 13,321.44-19,982.12-4,556.43

Finding the Fourth Proportional to 13,321.44, 19,982.12 and 4,556.43

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Solution

The fourth proportional to 13,321.44, 19,982.12 and 4,556.43 is: 6,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321.44 : 19,982.12 = 4,556.43 : x
  2. Step 2: Convert to fraction form
    13,321.44/19,982.12 = 4,556.43/x
  3. Step 3: Cross multiply
    13,321.44x = 19,982.12 × 4,556.43
  4. Step 4: Simplify right side
    13,321.44x = 91,047,108.25
  5. Step 5: Solve for x
    x = 91,047,108.25/13,321.44
  6. Step 6: Final answer
    x = 6,834.63

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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.