Home / 18,499.20-27,724.16-6,801.60

Finding the Fourth Proportional to 18,499.20, 27,724.16 and 6,801.60

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Solution

The fourth proportional to 18,499.20, 27,724.16 and 6,801.60 is: 10,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.20 : 27,724.16 = 6,801.60 : x
  2. Step 2: Convert to fraction form
    18,499.20/27,724.16 = 6,801.60/x
  3. Step 3: Cross multiply
    18,499.20x = 27,724.16 × 6,801.60
  4. Step 4: Simplify right side
    18,499.20x = 188,568,646.66
  5. Step 5: Solve for x
    x = 188,568,646.66/18,499.20
  6. Step 6: Final answer
    x = 10,193.34

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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.