Home / 11,669.06-16,103.32-6,363.90

Finding the Fourth Proportional to 11,669.06, 16,103.32 and 6,363.90

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Solution

The fourth proportional to 11,669.06, 16,103.32 and 6,363.90 is: 8,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.06 : 16,103.32 = 6,363.90 : x
  2. Step 2: Convert to fraction form
    11,669.06/16,103.32 = 6,363.90/x
  3. Step 3: Cross multiply
    11,669.06x = 16,103.32 × 6,363.90
  4. Step 4: Simplify right side
    11,669.06x = 102,479,918.15
  5. Step 5: Solve for x
    x = 102,479,918.15/11,669.06
  6. Step 6: Final answer
    x = 8,782.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.