Home / 18,283.06-27,422.44-5,136.55

Finding the Fourth Proportional to 18,283.06, 27,422.44 and 5,136.55

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Solution

The fourth proportional to 18,283.06, 27,422.44 and 5,136.55 is: 7,704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.06 : 27,422.44 = 5,136.55 : x
  2. Step 2: Convert to fraction form
    18,283.06/27,422.44 = 5,136.55/x
  3. Step 3: Cross multiply
    18,283.06x = 27,422.44 × 5,136.55
  4. Step 4: Simplify right side
    18,283.06x = 140,856,734.18
  5. Step 5: Solve for x
    x = 140,856,734.18/18,283.06
  6. Step 6: Final answer
    x = 7,704.22

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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.