Home / 18,478.44-27,721.68-6,792.48

Finding the Fourth Proportional to 18,478.44, 27,721.68 and 6,792.48

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Solution

The fourth proportional to 18,478.44, 27,721.68 and 6,792.48 is: 10,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,478.44 : 27,721.68 = 6,792.48 : x
  2. Step 2: Convert to fraction form
    18,478.44/27,721.68 = 6,792.48/x
  3. Step 3: Cross multiply
    18,478.44x = 27,721.68 × 6,792.48
  4. Step 4: Simplify right side
    18,478.44x = 188,298,956.97
  5. Step 5: Solve for x
    x = 188,298,956.97/18,478.44
  6. Step 6: Final answer
    x = 10,190.20

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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.