Home / 11,755.38-16,222.58-6,377.86

Finding the Fourth Proportional to 11,755.38, 16,222.58 and 6,377.86

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Solution

The fourth proportional to 11,755.38, 16,222.58 and 6,377.86 is: 8,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.38 : 16,222.58 = 6,377.86 : x
  2. Step 2: Convert to fraction form
    11,755.38/16,222.58 = 6,377.86/x
  3. Step 3: Cross multiply
    11,755.38x = 16,222.58 × 6,377.86
  4. Step 4: Simplify right side
    11,755.38x = 103,465,287.58
  5. Step 5: Solve for x
    x = 103,465,287.58/11,755.38
  6. Step 6: Final answer
    x = 8,801.52

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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.