Home / 17,122.24-25,683.68-7,760.32

Finding the Fourth Proportional to 17,122.24, 25,683.68 and 7,760.32

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Solution

The fourth proportional to 17,122.24, 25,683.68 and 7,760.32 is: 11,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.24 : 25,683.68 = 7,760.32 : x
  2. Step 2: Convert to fraction form
    17,122.24/25,683.68 = 7,760.32/x
  3. Step 3: Cross multiply
    17,122.24x = 25,683.68 × 7,760.32
  4. Step 4: Simplify right side
    17,122.24x = 199,313,575.58
  5. Step 5: Solve for x
    x = 199,313,575.58/17,122.24
  6. Step 6: Final answer
    x = 11,640.63

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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.