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Finding the Fourth Proportional to 11,893.92, 17,841.84 and 3,573.36

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Solution

The fourth proportional to 11,893.92, 17,841.84 and 3,573.36 is: 5,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.92 : 17,841.84 = 3,573.36 : x
  2. Step 2: Convert to fraction form
    11,893.92/17,841.84 = 3,573.36/x
  3. Step 3: Cross multiply
    11,893.92x = 17,841.84 × 3,573.36
  4. Step 4: Simplify right side
    11,893.92x = 63,755,317.38
  5. Step 5: Solve for x
    x = 63,755,317.38/11,893.92
  6. Step 6: Final answer
    x = 5,360.33

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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.