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Finding the Fourth Proportional to 17,503.92, 26,241.12 and 7,635.96

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Solution

The fourth proportional to 17,503.92, 26,241.12 and 7,635.96 is: 11,447.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,503.92 : 26,241.12 = 7,635.96 : x
  2. Step 2: Convert to fraction form
    17,503.92/26,241.12 = 7,635.96/x
  3. Step 3: Cross multiply
    17,503.92x = 26,241.12 × 7,635.96
  4. Step 4: Simplify right side
    17,503.92x = 200,376,142.68
  5. Step 5: Solve for x
    x = 200,376,142.68/17,503.92
  6. Step 6: Final answer
    x = 11,447.50

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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.