Home / 11,965.59-16,511.76-6,660.27

Finding the Fourth Proportional to 11,965.59, 16,511.76 and 6,660.27

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Solution

The fourth proportional to 11,965.59, 16,511.76 and 6,660.27 is: 9,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.59 : 16,511.76 = 6,660.27 : x
  2. Step 2: Convert to fraction form
    11,965.59/16,511.76 = 6,660.27/x
  3. Step 3: Cross multiply
    11,965.59x = 16,511.76 × 6,660.27
  4. Step 4: Simplify right side
    11,965.59x = 109,972,779.78
  5. Step 5: Solve for x
    x = 109,972,779.78/11,965.59
  6. Step 6: Final answer
    x = 9,190.75

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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.