Home / 11,470.36-17,208.80-3,679.80

Finding the Fourth Proportional to 11,470.36, 17,208.80 and 3,679.80

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Solution

The fourth proportional to 11,470.36, 17,208.80 and 3,679.80 is: 5,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.36 : 17,208.80 = 3,679.80 : x
  2. Step 2: Convert to fraction form
    11,470.36/17,208.80 = 3,679.80/x
  3. Step 3: Cross multiply
    11,470.36x = 17,208.80 × 3,679.80
  4. Step 4: Simplify right side
    11,470.36x = 63,324,942.24
  5. Step 5: Solve for x
    x = 63,324,942.24/11,470.36
  6. Step 6: Final answer
    x = 5,520.75

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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.