Home / 11,794.20-17,687.46-5,220.24

Finding the Fourth Proportional to 11,794.20, 17,687.46 and 5,220.24

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Solution

The fourth proportional to 11,794.20, 17,687.46 and 5,220.24 is: 7,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,794.20 : 17,687.46 = 5,220.24 : x
  2. Step 2: Convert to fraction form
    11,794.20/17,687.46 = 5,220.24/x
  3. Step 3: Cross multiply
    11,794.20x = 17,687.46 × 5,220.24
  4. Step 4: Simplify right side
    11,794.20x = 92,332,786.19
  5. Step 5: Solve for x
    x = 92,332,786.19/11,794.20
  6. Step 6: Final answer
    x = 7,828.66

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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.