Home / 18,288.24-27,405.86-7,743.71

Finding the Fourth Proportional to 18,288.24, 27,405.86 and 7,743.71

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Solution

The fourth proportional to 18,288.24, 27,405.86 and 7,743.71 is: 11,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.24 : 27,405.86 = 7,743.71 : x
  2. Step 2: Convert to fraction form
    18,288.24/27,405.86 = 7,743.71/x
  3. Step 3: Cross multiply
    18,288.24x = 27,405.86 × 7,743.71
  4. Step 4: Simplify right side
    18,288.24x = 212,222,856.39
  5. Step 5: Solve for x
    x = 212,222,856.39/18,288.24
  6. Step 6: Final answer
    x = 11,604.33

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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.