Home / 22,188.42-33,253.20-8,135.46

Finding the Fourth Proportional to 22,188.42, 33,253.20 and 8,135.46

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Solution

The fourth proportional to 22,188.42, 33,253.20 and 8,135.46 is: 12,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188.42 : 33,253.20 = 8,135.46 : x
  2. Step 2: Convert to fraction form
    22,188.42/33,253.20 = 8,135.46/x
  3. Step 3: Cross multiply
    22,188.42x = 33,253.20 × 8,135.46
  4. Step 4: Simplify right side
    22,188.42x = 270,530,078.47
  5. Step 5: Solve for x
    x = 270,530,078.47/22,188.42
  6. Step 6: Final answer
    x = 12,192.40

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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.