Home / 18,257.20-27,389.91-5,777.97

Finding the Fourth Proportional to 18,257.20, 27,389.91 and 5,777.97

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Solution

The fourth proportional to 18,257.20, 27,389.91 and 5,777.97 is: 8,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.20 : 27,389.91 = 5,777.97 : x
  2. Step 2: Convert to fraction form
    18,257.20/27,389.91 = 5,777.97/x
  3. Step 3: Cross multiply
    18,257.20x = 27,389.91 × 5,777.97
  4. Step 4: Simplify right side
    18,257.20x = 158,257,997.24
  5. Step 5: Solve for x
    x = 158,257,997.24/18,257.20
  6. Step 6: Final answer
    x = 8,668.25

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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.