Home / 10,200.56-15,299.22-3,963.43

Finding the Fourth Proportional to 10,200.56, 15,299.22 and 3,963.43

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Solution

The fourth proportional to 10,200.56, 15,299.22 and 3,963.43 is: 5,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.56 : 15,299.22 = 3,963.43 : x
  2. Step 2: Convert to fraction form
    10,200.56/15,299.22 = 3,963.43/x
  3. Step 3: Cross multiply
    10,200.56x = 15,299.22 × 3,963.43
  4. Step 4: Simplify right side
    10,200.56x = 60,637,311.03
  5. Step 5: Solve for x
    x = 60,637,311.03/10,200.56
  6. Step 6: Final answer
    x = 5,944.51

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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.