Home / 17,198.70-25,793.72-6,665.11

Finding the Fourth Proportional to 17,198.70, 25,793.72 and 6,665.11

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Solution

The fourth proportional to 17,198.70, 25,793.72 and 6,665.11 is: 9,995.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,198.70 : 25,793.72 = 6,665.11 : x
  2. Step 2: Convert to fraction form
    17,198.70/25,793.72 = 6,665.11/x
  3. Step 3: Cross multiply
    17,198.70x = 25,793.72 × 6,665.11
  4. Step 4: Simplify right side
    17,198.70x = 171,917,981.11
  5. Step 5: Solve for x
    x = 171,917,981.11/17,198.70
  6. Step 6: Final answer
    x = 9,995.99

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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.