Home / 18,219.90-27,268.07-11,204.32

Finding the Fourth Proportional to 18,219.90, 27,268.07 and 11,204.32

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Solution

The fourth proportional to 18,219.90, 27,268.07 and 11,204.32 is: 16,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.90 : 27,268.07 = 11,204.32 : x
  2. Step 2: Convert to fraction form
    18,219.90/27,268.07 = 11,204.32/x
  3. Step 3: Cross multiply
    18,219.90x = 27,268.07 × 11,204.32
  4. Step 4: Simplify right side
    18,219.90x = 305,520,182.06
  5. Step 5: Solve for x
    x = 305,520,182.06/18,219.90
  6. Step 6: Final answer
    x = 16,768.49

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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.