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Finding the Fourth Proportional to 18,252.84, 27,384.13 and 5,773.10

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Solution

The fourth proportional to 18,252.84, 27,384.13 and 5,773.10 is: 8,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252.84 : 27,384.13 = 5,773.10 : x
  2. Step 2: Convert to fraction form
    18,252.84/27,384.13 = 5,773.10/x
  3. Step 3: Cross multiply
    18,252.84x = 27,384.13 × 5,773.10
  4. Step 4: Simplify right side
    18,252.84x = 158,091,158.73
  5. Step 5: Solve for x
    x = 158,091,158.73/18,252.84
  6. Step 6: Final answer
    x = 8,661.18

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Why These Related Problems?

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