Home / 10,268.18-15,403.24-2,872.64

Finding the Fourth Proportional to 10,268.18, 15,403.24 and 2,872.64

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Solution

The fourth proportional to 10,268.18, 15,403.24 and 2,872.64 is: 4,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.18 : 15,403.24 = 2,872.64 : x
  2. Step 2: Convert to fraction form
    10,268.18/15,403.24 = 2,872.64/x
  3. Step 3: Cross multiply
    10,268.18x = 15,403.24 × 2,872.64
  4. Step 4: Simplify right side
    10,268.18x = 44,247,963.35
  5. Step 5: Solve for x
    x = 44,247,963.35/10,268.18
  6. Step 6: Final answer
    x = 4,309.23

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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.