Home / 18,601.76-27,906.71-6,121.28

Finding the Fourth Proportional to 18,601.76, 27,906.71 and 6,121.28

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Solution

The fourth proportional to 18,601.76, 27,906.71 and 6,121.28 is: 9,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.76 : 27,906.71 = 6,121.28 : x
  2. Step 2: Convert to fraction form
    18,601.76/27,906.71 = 6,121.28/x
  3. Step 3: Cross multiply
    18,601.76x = 27,906.71 × 6,121.28
  4. Step 4: Simplify right side
    18,601.76x = 170,824,615.65
  5. Step 5: Solve for x
    x = 170,824,615.65/18,601.76
  6. Step 6: Final answer
    x = 9,183.25

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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.