Home / 18,215.18-27,322.78-5,067.56

Finding the Fourth Proportional to 18,215.18, 27,322.78 and 5,067.56

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Solution

The fourth proportional to 18,215.18, 27,322.78 and 5,067.56 is: 7,601.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.18 : 27,322.78 = 5,067.56 : x
  2. Step 2: Convert to fraction form
    18,215.18/27,322.78 = 5,067.56/x
  3. Step 3: Cross multiply
    18,215.18x = 27,322.78 × 5,067.56
  4. Step 4: Simplify right side
    18,215.18x = 138,459,827.02
  5. Step 5: Solve for x
    x = 138,459,827.02/18,215.18
  6. Step 6: Final answer
    x = 7,601.34

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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.