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Finding the Fourth Proportional to 12,203.16, 16,842.16 and 7,727.32

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Solution

The fourth proportional to 12,203.16, 16,842.16 and 7,727.32 is: 10,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.16 : 16,842.16 = 7,727.32 : x
  2. Step 2: Convert to fraction form
    12,203.16/16,842.16 = 7,727.32/x
  3. Step 3: Cross multiply
    12,203.16x = 16,842.16 × 7,727.32
  4. Step 4: Simplify right side
    12,203.16x = 130,144,759.81
  5. Step 5: Solve for x
    x = 130,144,759.81/12,203.16
  6. Step 6: Final answer
    x = 10,664.84

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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.