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Finding the Fourth Proportional to 22,064.21, 30,448.79 and 11,992.66

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Solution

The fourth proportional to 22,064.21, 30,448.79 and 11,992.66 is: 16,549.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,064.21 : 30,448.79 = 11,992.66 : x
  2. Step 2: Convert to fraction form
    22,064.21/30,448.79 = 11,992.66/x
  3. Step 3: Cross multiply
    22,064.21x = 30,448.79 × 11,992.66
  4. Step 4: Simplify right side
    22,064.21x = 365,161,939.74
  5. Step 5: Solve for x
    x = 365,161,939.74/22,064.21
  6. Step 6: Final answer
    x = 16,549.97

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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.