Home / 19,984.32-29,976.48-6,836.80

Finding the Fourth Proportional to 19,984.32, 29,976.48 and 6,836.80

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Solution

The fourth proportional to 19,984.32, 29,976.48 and 6,836.80 is: 10,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.32 : 29,976.48 = 6,836.80 : x
  2. Step 2: Convert to fraction form
    19,984.32/29,976.48 = 6,836.80/x
  3. Step 3: Cross multiply
    19,984.32x = 29,976.48 × 6,836.80
  4. Step 4: Simplify right side
    19,984.32x = 204,943,198.46
  5. Step 5: Solve for x
    x = 204,943,198.46/19,984.32
  6. Step 6: Final answer
    x = 10,255.20

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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.