Home / 11,682.18-16,121.43-6,376.95

Finding the Fourth Proportional to 11,682.18, 16,121.43 and 6,376.95

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Solution

The fourth proportional to 11,682.18, 16,121.43 and 6,376.95 is: 8,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.18 : 16,121.43 = 6,376.95 : x
  2. Step 2: Convert to fraction form
    11,682.18/16,121.43 = 6,376.95/x
  3. Step 3: Cross multiply
    11,682.18x = 16,121.43 × 6,376.95
  4. Step 4: Simplify right side
    11,682.18x = 102,805,553.04
  5. Step 5: Solve for x
    x = 102,805,553.04/11,682.18
  6. Step 6: Final answer
    x = 8,800.20

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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.