Home / 18,057.20-27,086.56-6,370.48

Finding the Fourth Proportional to 18,057.20, 27,086.56 and 6,370.48

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Solution

The fourth proportional to 18,057.20, 27,086.56 and 6,370.48 is: 9,555.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.20 : 27,086.56 = 6,370.48 : x
  2. Step 2: Convert to fraction form
    18,057.20/27,086.56 = 6,370.48/x
  3. Step 3: Cross multiply
    18,057.20x = 27,086.56 × 6,370.48
  4. Step 4: Simplify right side
    18,057.20x = 172,554,388.75
  5. Step 5: Solve for x
    x = 172,554,388.75/18,057.20
  6. Step 6: Final answer
    x = 9,555.99

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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.