Home / 20,223.14-30,334.68-9,402.80

Finding the Fourth Proportional to 20,223.14, 30,334.68 and 9,402.80

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Solution

The fourth proportional to 20,223.14, 30,334.68 and 9,402.80 is: 14,104.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.14 : 30,334.68 = 9,402.80 : x
  2. Step 2: Convert to fraction form
    20,223.14/30,334.68 = 9,402.80/x
  3. Step 3: Cross multiply
    20,223.14x = 30,334.68 × 9,402.80
  4. Step 4: Simplify right side
    20,223.14x = 285,230,777.43
  5. Step 5: Solve for x
    x = 285,230,777.43/20,223.14
  6. Step 6: Final answer
    x = 14,104.18

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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.