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Finding the Fourth Proportional to 12,169.44, 16,793.80 and 6,580.44

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Solution

The fourth proportional to 12,169.44, 16,793.80 and 6,580.44 is: 9,080.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.44 : 16,793.80 = 6,580.44 : x
  2. Step 2: Convert to fraction form
    12,169.44/16,793.80 = 6,580.44/x
  3. Step 3: Cross multiply
    12,169.44x = 16,793.80 × 6,580.44
  4. Step 4: Simplify right side
    12,169.44x = 110,510,576.82
  5. Step 5: Solve for x
    x = 110,510,576.82/12,169.44
  6. Step 6: Final answer
    x = 9,080.99

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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.