Home / 20,660.70-30,995.40-10,797.33

Finding the Fourth Proportional to 20,660.70, 30,995.40 and 10,797.33

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Solution

The fourth proportional to 20,660.70, 30,995.40 and 10,797.33 is: 16,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,660.70 : 30,995.40 = 10,797.33 : x
  2. Step 2: Convert to fraction form
    20,660.70/30,995.40 = 10,797.33/x
  3. Step 3: Cross multiply
    20,660.70x = 30,995.40 × 10,797.33
  4. Step 4: Simplify right side
    20,660.70x = 334,667,562.28
  5. Step 5: Solve for x
    x = 334,667,562.28/20,660.70
  6. Step 6: Final answer
    x = 16,198.27

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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.