Home / 12,254.27-18,375.39-5,137.16

Finding the Fourth Proportional to 12,254.27, 18,375.39 and 5,137.16

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Solution

The fourth proportional to 12,254.27, 18,375.39 and 5,137.16 is: 7,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.27 : 18,375.39 = 5,137.16 : x
  2. Step 2: Convert to fraction form
    12,254.27/18,375.39 = 5,137.16/x
  3. Step 3: Cross multiply
    12,254.27x = 18,375.39 × 5,137.16
  4. Step 4: Simplify right side
    12,254.27x = 94,397,226.62
  5. Step 5: Solve for x
    x = 94,397,226.62/12,254.27
  6. Step 6: Final answer
    x = 7,703.21

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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.