Home / 11,682.06-16,120.94-6,376.97

Finding the Fourth Proportional to 11,682.06, 16,120.94 and 6,376.97

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Solution

The fourth proportional to 11,682.06, 16,120.94 and 6,376.97 is: 8,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.06 : 16,120.94 = 6,376.97 : x
  2. Step 2: Convert to fraction form
    11,682.06/16,120.94 = 6,376.97/x
  3. Step 3: Cross multiply
    11,682.06x = 16,120.94 × 6,376.97
  4. Step 4: Simplify right side
    11,682.06x = 102,802,638.26
  5. Step 5: Solve for x
    x = 102,802,638.26/11,682.06
  6. Step 6: Final answer
    x = 8,800.04

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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.