Home / 12,136.06-18,204.07-3,816.81

Finding the Fourth Proportional to 12,136.06, 18,204.07 and 3,816.81

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Solution

The fourth proportional to 12,136.06, 18,204.07 and 3,816.81 is: 5,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.06 : 18,204.07 = 3,816.81 : x
  2. Step 2: Convert to fraction form
    12,136.06/18,204.07 = 3,816.81/x
  3. Step 3: Cross multiply
    12,136.06x = 18,204.07 × 3,816.81
  4. Step 4: Simplify right side
    12,136.06x = 69,481,476.42
  5. Step 5: Solve for x
    x = 69,481,476.42/12,136.06
  6. Step 6: Final answer
    x = 5,725.21

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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.