Home / 18,621.03-27,922.76-6,766.55

Finding the Fourth Proportional to 18,621.03, 27,922.76 and 6,766.55

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Solution

The fourth proportional to 18,621.03, 27,922.76 and 6,766.55 is: 10,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.03 : 27,922.76 = 6,766.55 : x
  2. Step 2: Convert to fraction form
    18,621.03/27,922.76 = 6,766.55/x
  3. Step 3: Cross multiply
    18,621.03x = 27,922.76 × 6,766.55
  4. Step 4: Simplify right side
    18,621.03x = 188,940,578.23
  5. Step 5: Solve for x
    x = 188,940,578.23/18,621.03
  6. Step 6: Final answer
    x = 10,146.62

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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.