Home / 12,143.26-18,194.76-4,241.53

Finding the Fourth Proportional to 12,143.26, 18,194.76 and 4,241.53

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Solution

The fourth proportional to 12,143.26, 18,194.76 and 4,241.53 is: 6,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,143.26 : 18,194.76 = 4,241.53 : x
  2. Step 2: Convert to fraction form
    12,143.26/18,194.76 = 4,241.53/x
  3. Step 3: Cross multiply
    12,143.26x = 18,194.76 × 4,241.53
  4. Step 4: Simplify right side
    12,143.26x = 77,173,620.38
  5. Step 5: Solve for x
    x = 77,173,620.38/12,143.26
  6. Step 6: Final answer
    x = 6,355.26

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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.