Home / 20,252.88-30,381.84-8,563.14

Finding the Fourth Proportional to 20,252.88, 30,381.84 and 8,563.14

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Solution

The fourth proportional to 20,252.88, 30,381.84 and 8,563.14 is: 12,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.88 : 30,381.84 = 8,563.14 : x
  2. Step 2: Convert to fraction form
    20,252.88/30,381.84 = 8,563.14/x
  3. Step 3: Cross multiply
    20,252.88x = 30,381.84 × 8,563.14
  4. Step 4: Simplify right side
    20,252.88x = 260,163,949.38
  5. Step 5: Solve for x
    x = 260,163,949.38/20,252.88
  6. Step 6: Final answer
    x = 12,845.78

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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.