Home / 15,350.82-21,092.33-12,201.54

Finding the Fourth Proportional to 15,350.82, 21,092.33 and 12,201.54

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Solution

The fourth proportional to 15,350.82, 21,092.33 and 12,201.54 is: 16,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350.82 : 21,092.33 = 12,201.54 : x
  2. Step 2: Convert to fraction form
    15,350.82/21,092.33 = 12,201.54/x
  3. Step 3: Cross multiply
    15,350.82x = 21,092.33 × 12,201.54
  4. Step 4: Simplify right side
    15,350.82x = 257,358,847.18
  5. Step 5: Solve for x
    x = 257,358,847.18/15,350.82
  6. Step 6: Final answer
    x = 16,765.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.