Home / 12,614.33-18,912.25-4,292.11

Finding the Fourth Proportional to 12,614.33, 18,912.25 and 4,292.11

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Solution

The fourth proportional to 12,614.33, 18,912.25 and 4,292.11 is: 6,435.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.33 : 18,912.25 = 4,292.11 : x
  2. Step 2: Convert to fraction form
    12,614.33/18,912.25 = 4,292.11/x
  3. Step 3: Cross multiply
    12,614.33x = 18,912.25 × 4,292.11
  4. Step 4: Simplify right side
    12,614.33x = 81,173,486.35
  5. Step 5: Solve for x
    x = 81,173,486.35/12,614.33
  6. Step 6: Final answer
    x = 6,435.02

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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.