Home / 11,964.92-16,511.30-6,660.23

Finding the Fourth Proportional to 11,964.92, 16,511.30 and 6,660.23

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Solution

The fourth proportional to 11,964.92, 16,511.30 and 6,660.23 is: 9,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.92 : 16,511.30 = 6,660.23 : x
  2. Step 2: Convert to fraction form
    11,964.92/16,511.30 = 6,660.23/x
  3. Step 3: Cross multiply
    11,964.92x = 16,511.30 × 6,660.23
  4. Step 4: Simplify right side
    11,964.92x = 109,968,989.69
  5. Step 5: Solve for x
    x = 109,968,989.69/11,964.92
  6. Step 6: Final answer
    x = 9,190.95

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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.