Home / 18,027.27-27,054.86-11,785.59

Finding the Fourth Proportional to 18,027.27, 27,054.86 and 11,785.59

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Solution

The fourth proportional to 18,027.27, 27,054.86 and 11,785.59 is: 17,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.27 : 27,054.86 = 11,785.59 : x
  2. Step 2: Convert to fraction form
    18,027.27/27,054.86 = 11,785.59/x
  3. Step 3: Cross multiply
    18,027.27x = 27,054.86 × 11,785.59
  4. Step 4: Simplify right side
    18,027.27x = 318,857,428.54
  5. Step 5: Solve for x
    x = 318,857,428.54/18,027.27
  6. Step 6: Final answer
    x = 17,687.51

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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.