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Finding the Fourth Proportional to 17,896.82, 26,824.98 and 9,113.18

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Solution

The fourth proportional to 17,896.82, 26,824.98 and 9,113.18 is: 13,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,896.82 : 26,824.98 = 9,113.18 : x
  2. Step 2: Convert to fraction form
    17,896.82/26,824.98 = 9,113.18/x
  3. Step 3: Cross multiply
    17,896.82x = 26,824.98 × 9,113.18
  4. Step 4: Simplify right side
    17,896.82x = 244,460,938.30
  5. Step 5: Solve for x
    x = 244,460,938.30/17,896.82
  6. Step 6: Final answer
    x = 13,659.46

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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.