Home / 18,236.52-27,361.26-8,879.40

Finding the Fourth Proportional to 18,236.52, 27,361.26 and 8,879.40

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Solution

The fourth proportional to 18,236.52, 27,361.26 and 8,879.40 is: 13,322.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.52 : 27,361.26 = 8,879.40 : x
  2. Step 2: Convert to fraction form
    18,236.52/27,361.26 = 8,879.40/x
  3. Step 3: Cross multiply
    18,236.52x = 27,361.26 × 8,879.40
  4. Step 4: Simplify right side
    18,236.52x = 242,951,572.04
  5. Step 5: Solve for x
    x = 242,951,572.04/18,236.52
  6. Step 6: Final answer
    x = 13,322.26

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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.