Home / 18,218.59-27,266.16-11,203.05

Finding the Fourth Proportional to 18,218.59, 27,266.16 and 11,203.05

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Solution

The fourth proportional to 18,218.59, 27,266.16 and 11,203.05 is: 16,766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.59 : 27,266.16 = 11,203.05 : x
  2. Step 2: Convert to fraction form
    18,218.59/27,266.16 = 11,203.05/x
  3. Step 3: Cross multiply
    18,218.59x = 27,266.16 × 11,203.05
  4. Step 4: Simplify right side
    18,218.59x = 305,463,961.44
  5. Step 5: Solve for x
    x = 305,463,961.44/18,218.59
  6. Step 6: Final answer
    x = 16,766.61

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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.