Home / 11,682.99-16,122.80-6,377.85

Finding the Fourth Proportional to 11,682.99, 16,122.80 and 6,377.85

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Solution

The fourth proportional to 11,682.99, 16,122.80 and 6,377.85 is: 8,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.99 : 16,122.80 = 6,377.85 : x
  2. Step 2: Convert to fraction form
    11,682.99/16,122.80 = 6,377.85/x
  3. Step 3: Cross multiply
    11,682.99x = 16,122.80 × 6,377.85
  4. Step 4: Simplify right side
    11,682.99x = 102,828,755.46
  5. Step 5: Solve for x
    x = 102,828,755.46/11,682.99
  6. Step 6: Final answer
    x = 8,801.58

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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.