Home / 11,828.24-17,720.83-6,882.88

Finding the Fourth Proportional to 11,828.24, 17,720.83 and 6,882.88

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Solution

The fourth proportional to 11,828.24, 17,720.83 and 6,882.88 is: 10,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.24 : 17,720.83 = 6,882.88 : x
  2. Step 2: Convert to fraction form
    11,828.24/17,720.83 = 6,882.88/x
  3. Step 3: Cross multiply
    11,828.24x = 17,720.83 × 6,882.88
  4. Step 4: Simplify right side
    11,828.24x = 121,970,329.18
  5. Step 5: Solve for x
    x = 121,970,329.18/11,828.24
  6. Step 6: Final answer
    x = 10,311.79

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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.