Home / 11,964.85-16,511.21-6,659.55

Finding the Fourth Proportional to 11,964.85, 16,511.21 and 6,659.55

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Solution

The fourth proportional to 11,964.85, 16,511.21 and 6,659.55 is: 9,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.85 : 16,511.21 = 6,659.55 : x
  2. Step 2: Convert to fraction form
    11,964.85/16,511.21 = 6,659.55/x
  3. Step 3: Cross multiply
    11,964.85x = 16,511.21 × 6,659.55
  4. Step 4: Simplify right side
    11,964.85x = 109,957,220.23
  5. Step 5: Solve for x
    x = 109,957,220.23/11,964.85
  6. Step 6: Final answer
    x = 9,190.02

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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.