Home / 13,623.38-20,441.22-6,956.44

Finding the Fourth Proportional to 13,623.38, 20,441.22 and 6,956.44

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Solution

The fourth proportional to 13,623.38, 20,441.22 and 6,956.44 is: 10,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.38 : 20,441.22 = 6,956.44 : x
  2. Step 2: Convert to fraction form
    13,623.38/20,441.22 = 6,956.44/x
  3. Step 3: Cross multiply
    13,623.38x = 20,441.22 × 6,956.44
  4. Step 4: Simplify right side
    13,623.38x = 142,198,043.27
  5. Step 5: Solve for x
    x = 142,198,043.27/13,623.38
  6. Step 6: Final answer
    x = 10,437.80

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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.