Home / 22,198.40-33,297.60-12,332.96

Finding the Fourth Proportional to 22,198.40, 33,297.60 and 12,332.96

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Solution

The fourth proportional to 22,198.40, 33,297.60 and 12,332.96 is: 18,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.40 : 33,297.60 = 12,332.96 : x
  2. Step 2: Convert to fraction form
    22,198.40/33,297.60 = 12,332.96/x
  3. Step 3: Cross multiply
    22,198.40x = 33,297.60 × 12,332.96
  4. Step 4: Simplify right side
    22,198.40x = 410,657,968.90
  5. Step 5: Solve for x
    x = 410,657,968.90/22,198.40
  6. Step 6: Final answer
    x = 18,499.44

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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.