Home / 18,975.25-26,183.85-11,015.92

Finding the Fourth Proportional to 18,975.25, 26,183.85 and 11,015.92

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Solution

The fourth proportional to 18,975.25, 26,183.85 and 11,015.92 is: 15,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.25 : 26,183.85 = 11,015.92 : x
  2. Step 2: Convert to fraction form
    18,975.25/26,183.85 = 11,015.92/x
  3. Step 3: Cross multiply
    18,975.25x = 26,183.85 × 11,015.92
  4. Step 4: Simplify right side
    18,975.25x = 288,439,065.97
  5. Step 5: Solve for x
    x = 288,439,065.97/18,975.25
  6. Step 6: Final answer
    x = 15,200.81

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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.