Home / 20,092.99-30,110.33-11,309.15

Finding the Fourth Proportional to 20,092.99, 30,110.33 and 11,309.15

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Solution

The fourth proportional to 20,092.99, 30,110.33 and 11,309.15 is: 16,947.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.99 : 30,110.33 = 11,309.15 : x
  2. Step 2: Convert to fraction form
    20,092.99/30,110.33 = 11,309.15/x
  3. Step 3: Cross multiply
    20,092.99x = 30,110.33 × 11,309.15
  4. Step 4: Simplify right side
    20,092.99x = 340,522,181.97
  5. Step 5: Solve for x
    x = 340,522,181.97/20,092.99
  6. Step 6: Final answer
    x = 16,947.31

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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.