Home / 18,198.64-27,298.30-5,718.43

Finding the Fourth Proportional to 18,198.64, 27,298.30 and 5,718.43

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Solution

The fourth proportional to 18,198.64, 27,298.30 and 5,718.43 is: 8,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.64 : 27,298.30 = 5,718.43 : x
  2. Step 2: Convert to fraction form
    18,198.64/27,298.30 = 5,718.43/x
  3. Step 3: Cross multiply
    18,198.64x = 27,298.30 × 5,718.43
  4. Step 4: Simplify right side
    18,198.64x = 156,103,417.67
  5. Step 5: Solve for x
    x = 156,103,417.67/18,198.64
  6. Step 6: Final answer
    x = 8,577.75

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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.