Home / 11,961.08-16,504.32-6,655.76

Finding the Fourth Proportional to 11,961.08, 16,504.32 and 6,655.76

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Solution

The fourth proportional to 11,961.08, 16,504.32 and 6,655.76 is: 9,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.08 : 16,504.32 = 6,655.76 : x
  2. Step 2: Convert to fraction form
    11,961.08/16,504.32 = 6,655.76/x
  3. Step 3: Cross multiply
    11,961.08x = 16,504.32 × 6,655.76
  4. Step 4: Simplify right side
    11,961.08x = 109,848,792.88
  5. Step 5: Solve for x
    x = 109,848,792.88/11,961.08
  6. Step 6: Final answer
    x = 9,183.85

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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.