Home / 20,092.59-27,728.07-11,018.82

Finding the Fourth Proportional to 20,092.59, 27,728.07 and 11,018.82

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Solution

The fourth proportional to 20,092.59, 27,728.07 and 11,018.82 is: 15,206.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.59 : 27,728.07 = 11,018.82 : x
  2. Step 2: Convert to fraction form
    20,092.59/27,728.07 = 11,018.82/x
  3. Step 3: Cross multiply
    20,092.59x = 27,728.07 × 11,018.82
  4. Step 4: Simplify right side
    20,092.59x = 305,530,612.28
  5. Step 5: Solve for x
    x = 305,530,612.28/20,092.59
  6. Step 6: Final answer
    x = 15,206.13

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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.