Home / 12,793.49-19,190.91-4,029.09

Finding the Fourth Proportional to 12,793.49, 19,190.91 and 4,029.09

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Solution

The fourth proportional to 12,793.49, 19,190.91 and 4,029.09 is: 6,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.49 : 19,190.91 = 4,029.09 : x
  2. Step 2: Convert to fraction form
    12,793.49/19,190.91 = 4,029.09/x
  3. Step 3: Cross multiply
    12,793.49x = 19,190.91 × 4,029.09
  4. Step 4: Simplify right side
    12,793.49x = 77,321,807.62
  5. Step 5: Solve for x
    x = 77,321,807.62/12,793.49
  6. Step 6: Final answer
    x = 6,043.84

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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.