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Finding the Fourth Proportional to 18,133.56, 27,203.58 and 6,892.20

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Solution

The fourth proportional to 18,133.56, 27,203.58 and 6,892.20 is: 10,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.56 : 27,203.58 = 6,892.20 : x
  2. Step 2: Convert to fraction form
    18,133.56/27,203.58 = 6,892.20/x
  3. Step 3: Cross multiply
    18,133.56x = 27,203.58 × 6,892.20
  4. Step 4: Simplify right side
    18,133.56x = 187,492,514.08
  5. Step 5: Solve for x
    x = 187,492,514.08/18,133.56
  6. Step 6: Final answer
    x = 10,339.53

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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.