Home / 18,351.38-27,515.97-10,019.86

Finding the Fourth Proportional to 18,351.38, 27,515.97 and 10,019.86

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Solution

The fourth proportional to 18,351.38, 27,515.97 and 10,019.86 is: 15,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.38 : 27,515.97 = 10,019.86 : x
  2. Step 2: Convert to fraction form
    18,351.38/27,515.97 = 10,019.86/x
  3. Step 3: Cross multiply
    18,351.38x = 27,515.97 × 10,019.86
  4. Step 4: Simplify right side
    18,351.38x = 275,706,098.37
  5. Step 5: Solve for x
    x = 275,706,098.37/18,351.38
  6. Step 6: Final answer
    x = 15,023.72

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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.