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Finding the Fourth Proportional to 16,448.16, 22,717.36 and 11,991.84

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Solution

The fourth proportional to 16,448.16, 22,717.36 and 11,991.84 is: 16,562.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,448.16 : 22,717.36 = 11,991.84 : x
  2. Step 2: Convert to fraction form
    16,448.16/22,717.36 = 11,991.84/x
  3. Step 3: Cross multiply
    16,448.16x = 22,717.36 × 11,991.84
  4. Step 4: Simplify right side
    16,448.16x = 272,422,946.34
  5. Step 5: Solve for x
    x = 272,422,946.34/16,448.16
  6. Step 6: Final answer
    x = 16,562.52

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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.