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Finding the Fourth Proportional to 18,580.73, 27,863.10 and 11,550.20

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Solution

The fourth proportional to 18,580.73, 27,863.10 and 11,550.20 is: 17,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.73 : 27,863.10 = 11,550.20 : x
  2. Step 2: Convert to fraction form
    18,580.73/27,863.10 = 11,550.20/x
  3. Step 3: Cross multiply
    18,580.73x = 27,863.10 × 11,550.20
  4. Step 4: Simplify right side
    18,580.73x = 321,824,238.30
  5. Step 5: Solve for x
    x = 321,824,238.30/18,580.73
  6. Step 6: Final answer
    x = 17,320.33

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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.