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Finding the Fourth Proportional to 13,481.17, 18,598.53 and 8,945.99

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Solution

The fourth proportional to 13,481.17, 18,598.53 and 8,945.99 is: 12,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481.17 : 18,598.53 = 8,945.99 : x
  2. Step 2: Convert to fraction form
    13,481.17/18,598.53 = 8,945.99/x
  3. Step 3: Cross multiply
    13,481.17x = 18,598.53 × 8,945.99
  4. Step 4: Simplify right side
    13,481.17x = 166,382,273.69
  5. Step 5: Solve for x
    x = 166,382,273.69/13,481.17
  6. Step 6: Final answer
    x = 12,341.83

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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.