Home / 12,136.56-18,204.84-3,371.55

Finding the Fourth Proportional to 12,136.56, 18,204.84 and 3,371.55

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Solution

The fourth proportional to 12,136.56, 18,204.84 and 3,371.55 is: 5,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.56 : 18,204.84 = 3,371.55 : x
  2. Step 2: Convert to fraction form
    12,136.56/18,204.84 = 3,371.55/x
  3. Step 3: Cross multiply
    12,136.56x = 18,204.84 × 3,371.55
  4. Step 4: Simplify right side
    12,136.56x = 61,378,528.30
  5. Step 5: Solve for x
    x = 61,378,528.30/12,136.56
  6. Step 6: Final answer
    x = 5,057.33

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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.