Home / 18,345.12-27,517.68-4,494

Finding the Fourth Proportional to 18,345.12, 27,517.68 and 4,494

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Solution

The fourth proportional to 18,345.12, 27,517.68 and 4,494 is: 6,741.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345.12 : 27,517.68 = 4,494 : x
  2. Step 2: Convert to fraction form
    18,345.12/27,517.68 = 4,494/x
  3. Step 3: Cross multiply
    18,345.12x = 27,517.68 × 4,494
  4. Step 4: Simplify right side
    18,345.12x = 123,664,453.92
  5. Step 5: Solve for x
    x = 123,664,453.92/18,345.12
  6. Step 6: Final answer
    x = 6,741.00

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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.