Home / 18,958.43-28,382.54-11,036.81

Finding the Fourth Proportional to 18,958.43, 28,382.54 and 11,036.81

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Solution

The fourth proportional to 18,958.43, 28,382.54 and 11,036.81 is: 16,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.43 : 28,382.54 = 11,036.81 : x
  2. Step 2: Convert to fraction form
    18,958.43/28,382.54 = 11,036.81/x
  3. Step 3: Cross multiply
    18,958.43x = 28,382.54 × 11,036.81
  4. Step 4: Simplify right side
    18,958.43x = 313,252,504.20
  5. Step 5: Solve for x
    x = 313,252,504.20/18,958.43
  6. Step 6: Final answer
    x = 16,523.13

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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.