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Finding the Fourth Proportional to 11,893.43, 17,834.99 and 6,345.54

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Solution

The fourth proportional to 11,893.43, 17,834.99 and 6,345.54 is: 9,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.43 : 17,834.99 = 6,345.54 : x
  2. Step 2: Convert to fraction form
    11,893.43/17,834.99 = 6,345.54/x
  3. Step 3: Cross multiply
    11,893.43x = 17,834.99 × 6,345.54
  4. Step 4: Simplify right side
    11,893.43x = 113,172,610.72
  5. Step 5: Solve for x
    x = 113,172,610.72/11,893.43
  6. Step 6: Final answer
    x = 9,515.55

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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.