Home / 12,136.26-18,193.53-4,738.98

Finding the Fourth Proportional to 12,136.26, 18,193.53 and 4,738.98

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Solution

The fourth proportional to 12,136.26, 18,193.53 and 4,738.98 is: 7,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.26 : 18,193.53 = 4,738.98 : x
  2. Step 2: Convert to fraction form
    12,136.26/18,193.53 = 4,738.98/x
  3. Step 3: Cross multiply
    12,136.26x = 18,193.53 × 4,738.98
  4. Step 4: Simplify right side
    12,136.26x = 86,218,774.80
  5. Step 5: Solve for x
    x = 86,218,774.80/12,136.26
  6. Step 6: Final answer
    x = 7,104.23

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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.