Home / 11,682.58-16,121.95-6,377.39

Finding the Fourth Proportional to 11,682.58, 16,121.95 and 6,377.39

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Solution

The fourth proportional to 11,682.58, 16,121.95 and 6,377.39 is: 8,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.58 : 16,121.95 = 6,377.39 : x
  2. Step 2: Convert to fraction form
    11,682.58/16,121.95 = 6,377.39/x
  3. Step 3: Cross multiply
    11,682.58x = 16,121.95 × 6,377.39
  4. Step 4: Simplify right side
    11,682.58x = 102,815,930.82
  5. Step 5: Solve for x
    x = 102,815,930.82/11,682.58
  6. Step 6: Final answer
    x = 8,800.79

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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.