Home / 12,984.05-19,481.20-6,747.98

Finding the Fourth Proportional to 12,984.05, 19,481.20 and 6,747.98

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Solution

The fourth proportional to 12,984.05, 19,481.20 and 6,747.98 is: 10,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984.05 : 19,481.20 = 6,747.98 : x
  2. Step 2: Convert to fraction form
    12,984.05/19,481.20 = 6,747.98/x
  3. Step 3: Cross multiply
    12,984.05x = 19,481.20 × 6,747.98
  4. Step 4: Simplify right side
    12,984.05x = 131,458,747.98
  5. Step 5: Solve for x
    x = 131,458,747.98/12,984.05
  6. Step 6: Final answer
    x = 10,124.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.