Home / 20,797.88-31,199.42-9,550.52

Finding the Fourth Proportional to 20,797.88, 31,199.42 and 9,550.52

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Solution

The fourth proportional to 20,797.88, 31,199.42 and 9,550.52 is: 14,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,797.88 : 31,199.42 = 9,550.52 : x
  2. Step 2: Convert to fraction form
    20,797.88/31,199.42 = 9,550.52/x
  3. Step 3: Cross multiply
    20,797.88x = 31,199.42 × 9,550.52
  4. Step 4: Simplify right side
    20,797.88x = 297,970,684.70
  5. Step 5: Solve for x
    x = 297,970,684.70/20,797.88
  6. Step 6: Final answer
    x = 14,326.97

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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.