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Finding the Fourth Proportional to 19,193.92, 28,792.08 and 6,046.80

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Solution

The fourth proportional to 19,193.92, 28,792.08 and 6,046.80 is: 9,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.92 : 28,792.08 = 6,046.80 : x
  2. Step 2: Convert to fraction form
    19,193.92/28,792.08 = 6,046.80/x
  3. Step 3: Cross multiply
    19,193.92x = 28,792.08 × 6,046.80
  4. Step 4: Simplify right side
    19,193.92x = 174,099,949.34
  5. Step 5: Solve for x
    x = 174,099,949.34/19,193.92
  6. Step 6: Final answer
    x = 9,070.58

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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.