Home / 11,515.23-17,233.97-7,136.37

Finding the Fourth Proportional to 11,515.23, 17,233.97 and 7,136.37

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Solution

The fourth proportional to 11,515.23, 17,233.97 and 7,136.37 is: 10,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.23 : 17,233.97 = 7,136.37 : x
  2. Step 2: Convert to fraction form
    11,515.23/17,233.97 = 7,136.37/x
  3. Step 3: Cross multiply
    11,515.23x = 17,233.97 × 7,136.37
  4. Step 4: Simplify right side
    11,515.23x = 122,987,950.81
  5. Step 5: Solve for x
    x = 122,987,950.81/11,515.23
  6. Step 6: Final answer
    x = 10,680.46

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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.