Home / 11,682.85-16,122.37-6,377.75

Finding the Fourth Proportional to 11,682.85, 16,122.37 and 6,377.75

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Solution

The fourth proportional to 11,682.85, 16,122.37 and 6,377.75 is: 8,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.85 : 16,122.37 = 6,377.75 : x
  2. Step 2: Convert to fraction form
    11,682.85/16,122.37 = 6,377.75/x
  3. Step 3: Cross multiply
    11,682.85x = 16,122.37 × 6,377.75
  4. Step 4: Simplify right side
    11,682.85x = 102,824,445.27
  5. Step 5: Solve for x
    x = 102,824,445.27/11,682.85
  6. Step 6: Final answer
    x = 8,801.32

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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.