Home / 20,081.94-30,133.24-9,563.89

Finding the Fourth Proportional to 20,081.94, 30,133.24 and 9,563.89

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Solution

The fourth proportional to 20,081.94, 30,133.24 and 9,563.89 is: 14,350.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,081.94 : 30,133.24 = 9,563.89 : x
  2. Step 2: Convert to fraction form
    20,081.94/30,133.24 = 9,563.89/x
  3. Step 3: Cross multiply
    20,081.94x = 30,133.24 × 9,563.89
  4. Step 4: Simplify right side
    20,081.94x = 288,190,992.70
  5. Step 5: Solve for x
    x = 288,190,992.70/20,081.94
  6. Step 6: Final answer
    x = 14,350.75

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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.