Home / 11,722.06-16,175.83-6,415.85

Finding the Fourth Proportional to 11,722.06, 16,175.83 and 6,415.85

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Solution

The fourth proportional to 11,722.06, 16,175.83 and 6,415.85 is: 8,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.06 : 16,175.83 = 6,415.85 : x
  2. Step 2: Convert to fraction form
    11,722.06/16,175.83 = 6,415.85/x
  3. Step 3: Cross multiply
    11,722.06x = 16,175.83 × 6,415.85
  4. Step 4: Simplify right side
    11,722.06x = 103,781,707.27
  5. Step 5: Solve for x
    x = 103,781,707.27/11,722.06
  6. Step 6: Final answer
    x = 8,853.54

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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.