Home / 11,516.20-17,274.30-3,198.31

Finding the Fourth Proportional to 11,516.20, 17,274.30 and 3,198.31

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Solution

The fourth proportional to 11,516.20, 17,274.30 and 3,198.31 is: 4,797.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.20 : 17,274.30 = 3,198.31 : x
  2. Step 2: Convert to fraction form
    11,516.20/17,274.30 = 3,198.31/x
  3. Step 3: Cross multiply
    11,516.20x = 17,274.30 × 3,198.31
  4. Step 4: Simplify right side
    11,516.20x = 55,248,566.43
  5. Step 5: Solve for x
    x = 55,248,566.43/11,516.20
  6. Step 6: Final answer
    x = 4,797.47

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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.