Home / 17,021.25-25,516.31-7,161.23

Finding the Fourth Proportional to 17,021.25, 25,516.31 and 7,161.23

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Solution

The fourth proportional to 17,021.25, 25,516.31 and 7,161.23 is: 10,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.25 : 25,516.31 = 7,161.23 : x
  2. Step 2: Convert to fraction form
    17,021.25/25,516.31 = 7,161.23/x
  3. Step 3: Cross multiply
    17,021.25x = 25,516.31 × 7,161.23
  4. Step 4: Simplify right side
    17,021.25x = 182,728,164.66
  5. Step 5: Solve for x
    x = 182,728,164.66/17,021.25
  6. Step 6: Final answer
    x = 10,735.30

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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.