Home / 18,211.82-27,303.78-5,724.62

Finding the Fourth Proportional to 18,211.82, 27,303.78 and 5,724.62

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Solution

The fourth proportional to 18,211.82, 27,303.78 and 5,724.62 is: 8,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.82 : 27,303.78 = 5,724.62 : x
  2. Step 2: Convert to fraction form
    18,211.82/27,303.78 = 5,724.62/x
  3. Step 3: Cross multiply
    18,211.82x = 27,303.78 × 5,724.62
  4. Step 4: Simplify right side
    18,211.82x = 156,303,765.06
  5. Step 5: Solve for x
    x = 156,303,765.06/18,211.82
  6. Step 6: Final answer
    x = 8,582.55

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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.