Home / 12,137.62-18,210.81-4,241.31

Finding the Fourth Proportional to 12,137.62, 18,210.81 and 4,241.31

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Solution

The fourth proportional to 12,137.62, 18,210.81 and 4,241.31 is: 6,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.62 : 18,210.81 = 4,241.31 : x
  2. Step 2: Convert to fraction form
    12,137.62/18,210.81 = 4,241.31/x
  3. Step 3: Cross multiply
    12,137.62x = 18,210.81 × 4,241.31
  4. Step 4: Simplify right side
    12,137.62x = 77,237,690.56
  5. Step 5: Solve for x
    x = 77,237,690.56/12,137.62
  6. Step 6: Final answer
    x = 6,363.50

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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.