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Finding the Fourth Proportional to 12,317.44, 16,997.76 and 6,728.48

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Solution

The fourth proportional to 12,317.44, 16,997.76 and 6,728.48 is: 9,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.44 : 16,997.76 = 6,728.48 : x
  2. Step 2: Convert to fraction form
    12,317.44/16,997.76 = 6,728.48/x
  3. Step 3: Cross multiply
    12,317.44x = 16,997.76 × 6,728.48
  4. Step 4: Simplify right side
    12,317.44x = 114,369,088.20
  5. Step 5: Solve for x
    x = 114,369,088.20/12,317.44
  6. Step 6: Final answer
    x = 9,285.13

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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.