Home / 11,682.12-16,121.22-6,377.16

Finding the Fourth Proportional to 11,682.12, 16,121.22 and 6,377.16

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Solution

The fourth proportional to 11,682.12, 16,121.22 and 6,377.16 is: 8,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.12 : 16,121.22 = 6,377.16 : x
  2. Step 2: Convert to fraction form
    11,682.12/16,121.22 = 6,377.16/x
  3. Step 3: Cross multiply
    11,682.12x = 16,121.22 × 6,377.16
  4. Step 4: Simplify right side
    11,682.12x = 102,807,599.34
  5. Step 5: Solve for x
    x = 102,807,599.34/11,682.12
  6. Step 6: Final answer
    x = 8,800.42

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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.