Home / 20,841.44-31,262.30-8,529.44

Finding the Fourth Proportional to 20,841.44, 31,262.30 and 8,529.44

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Solution

The fourth proportional to 20,841.44, 31,262.30 and 8,529.44 is: 12,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841.44 : 31,262.30 = 8,529.44 : x
  2. Step 2: Convert to fraction form
    20,841.44/31,262.30 = 8,529.44/x
  3. Step 3: Cross multiply
    20,841.44x = 31,262.30 × 8,529.44
  4. Step 4: Simplify right side
    20,841.44x = 266,649,912.11
  5. Step 5: Solve for x
    x = 266,649,912.11/20,841.44
  6. Step 6: Final answer
    x = 12,794.22

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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.