Home / 19,198.12-28,789.64-5,867

Finding the Fourth Proportional to 19,198.12, 28,789.64 and 5,867

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Solution

The fourth proportional to 19,198.12, 28,789.64 and 5,867 is: 8,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.12 : 28,789.64 = 5,867 : x
  2. Step 2: Convert to fraction form
    19,198.12/28,789.64 = 5,867/x
  3. Step 3: Cross multiply
    19,198.12x = 28,789.64 × 5,867
  4. Step 4: Simplify right side
    19,198.12x = 168,908,817.88
  5. Step 5: Solve for x
    x = 168,908,817.88/19,198.12
  6. Step 6: Final answer
    x = 8,798.20

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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.