Home / 10,725.20-16,090.20-4,150.80

Finding the Fourth Proportional to 10,725.20, 16,090.20 and 4,150.80

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Solution

The fourth proportional to 10,725.20, 16,090.20 and 4,150.80 is: 6,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.20 : 16,090.20 = 4,150.80 : x
  2. Step 2: Convert to fraction form
    10,725.20/16,090.20 = 4,150.80/x
  3. Step 3: Cross multiply
    10,725.20x = 16,090.20 × 4,150.80
  4. Step 4: Simplify right side
    10,725.20x = 66,787,202.16
  5. Step 5: Solve for x
    x = 66,787,202.16/10,725.20
  6. Step 6: Final answer
    x = 6,227.13

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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.