Home / 11,922.26-17,879.34-4,129.25

Finding the Fourth Proportional to 11,922.26, 17,879.34 and 4,129.25

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Solution

The fourth proportional to 11,922.26, 17,879.34 and 4,129.25 is: 6,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.26 : 17,879.34 = 4,129.25 : x
  2. Step 2: Convert to fraction form
    11,922.26/17,879.34 = 4,129.25/x
  3. Step 3: Cross multiply
    11,922.26x = 17,879.34 × 4,129.25
  4. Step 4: Simplify right side
    11,922.26x = 73,828,264.70
  5. Step 5: Solve for x
    x = 73,828,264.70/11,922.26
  6. Step 6: Final answer
    x = 6,192.47

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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.