Home / 12,414.24-18,621.48-3,649.30

Finding the Fourth Proportional to 12,414.24, 18,621.48 and 3,649.30

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Solution

The fourth proportional to 12,414.24, 18,621.48 and 3,649.30 is: 5,473.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.24 : 18,621.48 = 3,649.30 : x
  2. Step 2: Convert to fraction form
    12,414.24/18,621.48 = 3,649.30/x
  3. Step 3: Cross multiply
    12,414.24x = 18,621.48 × 3,649.30
  4. Step 4: Simplify right side
    12,414.24x = 67,955,366.96
  5. Step 5: Solve for x
    x = 67,955,366.96/12,414.24
  6. Step 6: Final answer
    x = 5,473.99

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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.