Home / 11,790.09-17,683.20-3,469.16

Finding the Fourth Proportional to 11,790.09, 17,683.20 and 3,469.16

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Solution

The fourth proportional to 11,790.09, 17,683.20 and 3,469.16 is: 5,203.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.09 : 17,683.20 = 3,469.16 : x
  2. Step 2: Convert to fraction form
    11,790.09/17,683.20 = 3,469.16/x
  3. Step 3: Cross multiply
    11,790.09x = 17,683.20 × 3,469.16
  4. Step 4: Simplify right side
    11,790.09x = 61,345,761.70
  5. Step 5: Solve for x
    x = 61,345,761.70/11,790.09
  6. Step 6: Final answer
    x = 5,203.16

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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.