Home / 11,683.38-16,122.84-6,378.23

Finding the Fourth Proportional to 11,683.38, 16,122.84 and 6,378.23

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Solution

The fourth proportional to 11,683.38, 16,122.84 and 6,378.23 is: 8,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.38 : 16,122.84 = 6,378.23 : x
  2. Step 2: Convert to fraction form
    11,683.38/16,122.84 = 6,378.23/x
  3. Step 3: Cross multiply
    11,683.38x = 16,122.84 × 6,378.23
  4. Step 4: Simplify right side
    11,683.38x = 102,835,181.77
  5. Step 5: Solve for x
    x = 102,835,181.77/11,683.38
  6. Step 6: Final answer
    x = 8,801.83

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Half scale
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Double scale
Find fourth proportional to 11,684.38, 16,124.22 and 6,379.23
Similar ratio
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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.