Home / 18,982.92-28,465.57-11,087.79

Finding the Fourth Proportional to 18,982.92, 28,465.57 and 11,087.79

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Solution

The fourth proportional to 18,982.92, 28,465.57 and 11,087.79 is: 16,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.92 : 28,465.57 = 11,087.79 : x
  2. Step 2: Convert to fraction form
    18,982.92/28,465.57 = 11,087.79/x
  3. Step 3: Cross multiply
    18,982.92x = 28,465.57 × 11,087.79
  4. Step 4: Simplify right side
    18,982.92x = 315,620,262.39
  5. Step 5: Solve for x
    x = 315,620,262.39/18,982.92
  6. Step 6: Final answer
    x = 16,626.54

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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.