Home / 12,137.75-18,211.01-4,241.43

Finding the Fourth Proportional to 12,137.75, 18,211.01 and 4,241.43

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Solution

The fourth proportional to 12,137.75, 18,211.01 and 4,241.43 is: 6,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.75 : 18,211.01 = 4,241.43 : x
  2. Step 2: Convert to fraction form
    12,137.75/18,211.01 = 4,241.43/x
  3. Step 3: Cross multiply
    12,137.75x = 18,211.01 × 4,241.43
  4. Step 4: Simplify right side
    12,137.75x = 77,240,702.94
  5. Step 5: Solve for x
    x = 77,240,702.94/12,137.75
  6. Step 6: Final answer
    x = 6,363.68

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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.