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Finding the Fourth Proportional to 22,297.53, 33,443.53 and 12,942.63

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Solution

The fourth proportional to 22,297.53, 33,443.53 and 12,942.63 is: 19,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,297.53 : 33,443.53 = 12,942.63 : x
  2. Step 2: Convert to fraction form
    22,297.53/33,443.53 = 12,942.63/x
  3. Step 3: Cross multiply
    22,297.53x = 33,443.53 × 12,942.63
  4. Step 4: Simplify right side
    22,297.53x = 432,847,234.68
  5. Step 5: Solve for x
    x = 432,847,234.68/22,297.53
  6. Step 6: Final answer
    x = 19,412.34

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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.