Home / 10,161.80-15,245.78-4,241.54

Finding the Fourth Proportional to 10,161.80, 15,245.78 and 4,241.54

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Solution

The fourth proportional to 10,161.80, 15,245.78 and 4,241.54 is: 6,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.80 : 15,245.78 = 4,241.54 : x
  2. Step 2: Convert to fraction form
    10,161.80/15,245.78 = 4,241.54/x
  3. Step 3: Cross multiply
    10,161.80x = 15,245.78 × 4,241.54
  4. Step 4: Simplify right side
    10,161.80x = 64,665,585.70
  5. Step 5: Solve for x
    x = 64,665,585.70/10,161.80
  6. Step 6: Final answer
    x = 6,363.60

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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.