Home / 11,963.25-16,508.89-6,657.96

Finding the Fourth Proportional to 11,963.25, 16,508.89 and 6,657.96

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Solution

The fourth proportional to 11,963.25, 16,508.89 and 6,657.96 is: 9,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.25 : 16,508.89 = 6,657.96 : x
  2. Step 2: Convert to fraction form
    11,963.25/16,508.89 = 6,657.96/x
  3. Step 3: Cross multiply
    11,963.25x = 16,508.89 × 6,657.96
  4. Step 4: Simplify right side
    11,963.25x = 109,915,529.26
  5. Step 5: Solve for x
    x = 109,915,529.26/11,963.25
  6. Step 6: Final answer
    x = 9,187.76

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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.