Home / 13,201.92-18,218.65-7,233.80

Finding the Fourth Proportional to 13,201.92, 18,218.65 and 7,233.80

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Solution

The fourth proportional to 13,201.92, 18,218.65 and 7,233.80 is: 9,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.92 : 18,218.65 = 7,233.80 : x
  2. Step 2: Convert to fraction form
    13,201.92/18,218.65 = 7,233.80/x
  3. Step 3: Cross multiply
    13,201.92x = 18,218.65 × 7,233.80
  4. Step 4: Simplify right side
    13,201.92x = 131,790,172.68
  5. Step 5: Solve for x
    x = 131,790,172.68/13,201.92
  6. Step 6: Final answer
    x = 9,982.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.