Home / 11,951.08-16,493.52-6,646.92

Finding the Fourth Proportional to 11,951.08, 16,493.52 and 6,646.92

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Solution

The fourth proportional to 11,951.08, 16,493.52 and 6,646.92 is: 9,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.08 : 16,493.52 = 6,646.92 : x
  2. Step 2: Convert to fraction form
    11,951.08/16,493.52 = 6,646.92/x
  3. Step 3: Cross multiply
    11,951.08x = 16,493.52 × 6,646.92
  4. Step 4: Simplify right side
    11,951.08x = 109,631,107.96
  5. Step 5: Solve for x
    x = 109,631,107.96/11,951.08
  6. Step 6: Final answer
    x = 9,173.32

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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.