Home / 11,684.25-16,124.33-6,379.12

Finding the Fourth Proportional to 11,684.25, 16,124.33 and 6,379.12

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Solution

The fourth proportional to 11,684.25, 16,124.33 and 6,379.12 is: 8,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.25 : 16,124.33 = 6,379.12 : x
  2. Step 2: Convert to fraction form
    11,684.25/16,124.33 = 6,379.12/x
  3. Step 3: Cross multiply
    11,684.25x = 16,124.33 × 6,379.12
  4. Step 4: Simplify right side
    11,684.25x = 102,859,072.09
  5. Step 5: Solve for x
    x = 102,859,072.09/11,684.25
  6. Step 6: Final answer
    x = 8,803.22

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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.