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Finding the Fourth Proportional to 13,195.46, 19,893.02 and 12,481.04

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Solution

The fourth proportional to 13,195.46, 19,893.02 and 12,481.04 is: 18,815.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.46 : 19,893.02 = 12,481.04 : x
  2. Step 2: Convert to fraction form
    13,195.46/19,893.02 = 12,481.04/x
  3. Step 3: Cross multiply
    13,195.46x = 19,893.02 × 12,481.04
  4. Step 4: Simplify right side
    13,195.46x = 248,285,578.34
  5. Step 5: Solve for x
    x = 248,285,578.34/13,195.46
  6. Step 6: Final answer
    x = 18,815.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.