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Finding the Fourth Proportional to 12,395.17, 18,599.13 and 8,238.04

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Solution

The fourth proportional to 12,395.17, 18,599.13 and 8,238.04 is: 12,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.17 : 18,599.13 = 8,238.04 : x
  2. Step 2: Convert to fraction form
    12,395.17/18,599.13 = 8,238.04/x
  3. Step 3: Cross multiply
    12,395.17x = 18,599.13 × 8,238.04
  4. Step 4: Simplify right side
    12,395.17x = 153,220,376.91
  5. Step 5: Solve for x
    x = 153,220,376.91/12,395.17
  6. Step 6: Final answer
    x = 12,361.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.