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Finding the Fourth Proportional to 22,250.32, 30,705.36 and 12,179.68

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Solution

The fourth proportional to 22,250.32, 30,705.36 and 12,179.68 is: 16,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.32 : 30,705.36 = 12,179.68 : x
  2. Step 2: Convert to fraction form
    22,250.32/30,705.36 = 12,179.68/x
  3. Step 3: Cross multiply
    22,250.32x = 30,705.36 × 12,179.68
  4. Step 4: Simplify right side
    22,250.32x = 373,981,459.08
  5. Step 5: Solve for x
    x = 373,981,459.08/22,250.32
  6. Step 6: Final answer
    x = 16,807.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.