Home / 19,612.92-27,065.70-11,229.42

Finding the Fourth Proportional to 19,612.92, 27,065.70 and 11,229.42

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Solution

The fourth proportional to 19,612.92, 27,065.70 and 11,229.42 is: 15,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.92 : 27,065.70 = 11,229.42 : x
  2. Step 2: Convert to fraction form
    19,612.92/27,065.70 = 11,229.42/x
  3. Step 3: Cross multiply
    19,612.92x = 27,065.70 × 11,229.42
  4. Step 4: Simplify right side
    19,612.92x = 303,932,112.89
  5. Step 5: Solve for x
    x = 303,932,112.89/19,612.92
  6. Step 6: Final answer
    x = 15,496.53

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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.