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Finding the Fourth Proportional to 19,893.73, 29,834.21 and 6,563.73

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Solution

The fourth proportional to 19,893.73, 29,834.21 and 6,563.73 is: 9,843.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.73 : 29,834.21 = 6,563.73 : x
  2. Step 2: Convert to fraction form
    19,893.73/29,834.21 = 6,563.73/x
  3. Step 3: Cross multiply
    19,893.73x = 29,834.21 × 6,563.73
  4. Step 4: Simplify right side
    19,893.73x = 195,823,666.38
  5. Step 5: Solve for x
    x = 195,823,666.38/19,893.73
  6. Step 6: Final answer
    x = 9,843.49

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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.