Home / 11,699.19-16,144.79-6,393.96

Finding the Fourth Proportional to 11,699.19, 16,144.79 and 6,393.96

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Solution

The fourth proportional to 11,699.19, 16,144.79 and 6,393.96 is: 8,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.19 : 16,144.79 = 6,393.96 : x
  2. Step 2: Convert to fraction form
    11,699.19/16,144.79 = 6,393.96/x
  3. Step 3: Cross multiply
    11,699.19x = 16,144.79 × 6,393.96
  4. Step 4: Simplify right side
    11,699.19x = 103,229,109.50
  5. Step 5: Solve for x
    x = 103,229,109.50/11,699.19
  6. Step 6: Final answer
    x = 8,823.61

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1.5x scale

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.