Home / 13,456.22-20,183.52-5,021.09

Finding the Fourth Proportional to 13,456.22, 20,183.52 and 5,021.09

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Solution

The fourth proportional to 13,456.22, 20,183.52 and 5,021.09 is: 7,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.22 : 20,183.52 = 5,021.09 : x
  2. Step 2: Convert to fraction form
    13,456.22/20,183.52 = 5,021.09/x
  3. Step 3: Cross multiply
    13,456.22x = 20,183.52 × 5,021.09
  4. Step 4: Simplify right side
    13,456.22x = 101,343,169.52
  5. Step 5: Solve for x
    x = 101,343,169.52/13,456.22
  6. Step 6: Final answer
    x = 7,531.33

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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.