Home / 10,217.85-15,327.36-3,198.84

Finding the Fourth Proportional to 10,217.85, 15,327.36 and 3,198.84

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Solution

The fourth proportional to 10,217.85, 15,327.36 and 3,198.84 is: 4,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.85 : 15,327.36 = 3,198.84 : x
  2. Step 2: Convert to fraction form
    10,217.85/15,327.36 = 3,198.84/x
  3. Step 3: Cross multiply
    10,217.85x = 15,327.36 × 3,198.84
  4. Step 4: Simplify right side
    10,217.85x = 49,029,772.26
  5. Step 5: Solve for x
    x = 49,029,772.26/10,217.85
  6. Step 6: Final answer
    x = 4,798.44

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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.