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Finding the Fourth Proportional to 17,896.46, 26,844.67 and 7,508.21

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Solution

The fourth proportional to 17,896.46, 26,844.67 and 7,508.21 is: 11,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,896.46 : 26,844.67 = 7,508.21 : x
  2. Step 2: Convert to fraction form
    17,896.46/26,844.67 = 7,508.21/x
  3. Step 3: Cross multiply
    17,896.46x = 26,844.67 × 7,508.21
  4. Step 4: Simplify right side
    17,896.46x = 201,555,382.20
  5. Step 5: Solve for x
    x = 201,555,382.20/17,896.46
  6. Step 6: Final answer
    x = 11,262.30

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1.5x scale

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.