Home / 20,944.44-31,426.92-9,850.68

Finding the Fourth Proportional to 20,944.44, 31,426.92 and 9,850.68

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Solution

The fourth proportional to 20,944.44, 31,426.92 and 9,850.68 is: 14,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.44 : 31,426.92 = 9,850.68 : x
  2. Step 2: Convert to fraction form
    20,944.44/31,426.92 = 9,850.68/x
  3. Step 3: Cross multiply
    20,944.44x = 31,426.92 × 9,850.68
  4. Step 4: Simplify right side
    20,944.44x = 309,576,532.31
  5. Step 5: Solve for x
    x = 309,576,532.31/20,944.44
  6. Step 6: Final answer
    x = 14,780.85

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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.