Home / 18,170.66-27,268.58-7,077.44

Finding the Fourth Proportional to 18,170.66, 27,268.58 and 7,077.44

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Solution

The fourth proportional to 18,170.66, 27,268.58 and 7,077.44 is: 10,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.66 : 27,268.58 = 7,077.44 : x
  2. Step 2: Convert to fraction form
    18,170.66/27,268.58 = 7,077.44/x
  3. Step 3: Cross multiply
    18,170.66x = 27,268.58 × 7,077.44
  4. Step 4: Simplify right side
    18,170.66x = 192,991,824.70
  5. Step 5: Solve for x
    x = 192,991,824.70/18,170.66
  6. Step 6: Final answer
    x = 10,621.07

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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.