Home / 11,481.78-17,222.64-7,585.26

Finding the Fourth Proportional to 11,481.78, 17,222.64 and 7,585.26

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Solution

The fourth proportional to 11,481.78, 17,222.64 and 7,585.26 is: 11,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.78 : 17,222.64 = 7,585.26 : x
  2. Step 2: Convert to fraction form
    11,481.78/17,222.64 = 7,585.26/x
  3. Step 3: Cross multiply
    11,481.78x = 17,222.64 × 7,585.26
  4. Step 4: Simplify right side
    11,481.78x = 130,638,202.29
  5. Step 5: Solve for x
    x = 130,638,202.29/11,481.78
  6. Step 6: Final answer
    x = 11,377.87

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1.5x scale

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.