Home / 10,161.87-15,249.32-4,318.49

Finding the Fourth Proportional to 10,161.87, 15,249.32 and 4,318.49

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Solution

The fourth proportional to 10,161.87, 15,249.32 and 4,318.49 is: 6,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.87 : 15,249.32 = 4,318.49 : x
  2. Step 2: Convert to fraction form
    10,161.87/15,249.32 = 4,318.49/x
  3. Step 3: Cross multiply
    10,161.87x = 15,249.32 × 4,318.49
  4. Step 4: Simplify right side
    10,161.87x = 65,853,938.09
  5. Step 5: Solve for x
    x = 65,853,938.09/10,161.87
  6. Step 6: Final answer
    x = 6,480.49

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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.