Home / 10,268.49-15,402.71-3,249.20

Finding the Fourth Proportional to 10,268.49, 15,402.71 and 3,249.20

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Solution

The fourth proportional to 10,268.49, 15,402.71 and 3,249.20 is: 4,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.49 : 15,402.71 = 3,249.20 : x
  2. Step 2: Convert to fraction form
    10,268.49/15,402.71 = 3,249.20/x
  3. Step 3: Cross multiply
    10,268.49x = 15,402.71 × 3,249.20
  4. Step 4: Simplify right side
    10,268.49x = 50,046,392.07
  5. Step 5: Solve for x
    x = 50,046,392.07/10,268.49
  6. Step 6: Final answer
    x = 4,873.78

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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.