Home / 12,414.25-18,621.36-3,649.16

Finding the Fourth Proportional to 12,414.25, 18,621.36 and 3,649.16

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Solution

The fourth proportional to 12,414.25, 18,621.36 and 3,649.16 is: 5,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.25 : 18,621.36 = 3,649.16 : x
  2. Step 2: Convert to fraction form
    12,414.25/18,621.36 = 3,649.16/x
  3. Step 3: Cross multiply
    12,414.25x = 18,621.36 × 3,649.16
  4. Step 4: Simplify right side
    12,414.25x = 67,952,228.95
  5. Step 5: Solve for x
    x = 67,952,228.95/12,414.25
  6. Step 6: Final answer
    x = 5,473.73

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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.