Home / 11,743.24-17,619.30-7,355.80

Finding the Fourth Proportional to 11,743.24, 17,619.30 and 7,355.80

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Solution

The fourth proportional to 11,743.24, 17,619.30 and 7,355.80 is: 11,036.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.24 : 17,619.30 = 7,355.80 : x
  2. Step 2: Convert to fraction form
    11,743.24/17,619.30 = 7,355.80/x
  3. Step 3: Cross multiply
    11,743.24x = 17,619.30 × 7,355.80
  4. Step 4: Simplify right side
    11,743.24x = 129,604,046.94
  5. Step 5: Solve for x
    x = 129,604,046.94/11,743.24
  6. Step 6: Final answer
    x = 11,036.48

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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.