Home / 12,137.62-18,210.82-4,241.30

Finding the Fourth Proportional to 12,137.62, 18,210.82 and 4,241.30

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Solution

The fourth proportional to 12,137.62, 18,210.82 and 4,241.30 is: 6,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.62 : 18,210.82 = 4,241.30 : x
  2. Step 2: Convert to fraction form
    12,137.62/18,210.82 = 4,241.30/x
  3. Step 3: Cross multiply
    12,137.62x = 18,210.82 × 4,241.30
  4. Step 4: Simplify right side
    12,137.62x = 77,237,550.87
  5. Step 5: Solve for x
    x = 77,237,550.87/12,137.62
  6. Step 6: Final answer
    x = 6,363.48

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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.