Home / 19,274.49-28,905.93-8,181

Finding the Fourth Proportional to 19,274.49, 28,905.93 and 8,181

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Solution

The fourth proportional to 19,274.49, 28,905.93 and 8,181 is: 12,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274.49 : 28,905.93 = 8,181 : x
  2. Step 2: Convert to fraction form
    19,274.49/28,905.93 = 8,181/x
  3. Step 3: Cross multiply
    19,274.49x = 28,905.93 × 8,181
  4. Step 4: Simplify right side
    19,274.49x = 236,479,413.33
  5. Step 5: Solve for x
    x = 236,479,413.33/19,274.49
  6. Step 6: Final answer
    x = 12,269.04

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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.