Home / 11,539.44-15,918.73-7,231.75

Finding the Fourth Proportional to 11,539.44, 15,918.73 and 7,231.75

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Solution

The fourth proportional to 11,539.44, 15,918.73 and 7,231.75 is: 9,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.44 : 15,918.73 = 7,231.75 : x
  2. Step 2: Convert to fraction form
    11,539.44/15,918.73 = 7,231.75/x
  3. Step 3: Cross multiply
    11,539.44x = 15,918.73 × 7,231.75
  4. Step 4: Simplify right side
    11,539.44x = 115,120,217.80
  5. Step 5: Solve for x
    x = 115,120,217.80/11,539.44
  6. Step 6: Final answer
    x = 9,976.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.