Home / 11,956.53-16,499.34-6,650.31

Finding the Fourth Proportional to 11,956.53, 16,499.34 and 6,650.31

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Solution

The fourth proportional to 11,956.53, 16,499.34 and 6,650.31 is: 9,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.53 : 16,499.34 = 6,650.31 : x
  2. Step 2: Convert to fraction form
    11,956.53/16,499.34 = 6,650.31/x
  3. Step 3: Cross multiply
    11,956.53x = 16,499.34 × 6,650.31
  4. Step 4: Simplify right side
    11,956.53x = 109,725,725.80
  5. Step 5: Solve for x
    x = 109,725,725.80/11,956.53
  6. Step 6: Final answer
    x = 9,177.05

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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.