Home / 19,836.66-29,744.46-8,730.48

Finding the Fourth Proportional to 19,836.66, 29,744.46 and 8,730.48

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Solution

The fourth proportional to 19,836.66, 29,744.46 and 8,730.48 is: 13,091.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.66 : 29,744.46 = 8,730.48 : x
  2. Step 2: Convert to fraction form
    19,836.66/29,744.46 = 8,730.48/x
  3. Step 3: Cross multiply
    19,836.66x = 29,744.46 × 8,730.48
  4. Step 4: Simplify right side
    19,836.66x = 259,683,413.14
  5. Step 5: Solve for x
    x = 259,683,413.14/19,836.66
  6. Step 6: Final answer
    x = 13,091.09

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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.