Home / 11,481.75-15,841.17-7,003.26

Finding the Fourth Proportional to 11,481.75, 15,841.17 and 7,003.26

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Solution

The fourth proportional to 11,481.75, 15,841.17 and 7,003.26 is: 9,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.75 : 15,841.17 = 7,003.26 : x
  2. Step 2: Convert to fraction form
    11,481.75/15,841.17 = 7,003.26/x
  3. Step 3: Cross multiply
    11,481.75x = 15,841.17 × 7,003.26
  4. Step 4: Simplify right side
    11,481.75x = 110,939,832.21
  5. Step 5: Solve for x
    x = 110,939,832.21/11,481.75
  6. Step 6: Final answer
    x = 9,662.28

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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.