Home / 13,414.08-20,201.42-12,216.98

Finding the Fourth Proportional to 13,414.08, 20,201.42 and 12,216.98

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Solution

The fourth proportional to 13,414.08, 20,201.42 and 12,216.98 is: 18,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.08 : 20,201.42 = 12,216.98 : x
  2. Step 2: Convert to fraction form
    13,414.08/20,201.42 = 12,216.98/x
  3. Step 3: Cross multiply
    13,414.08x = 20,201.42 × 12,216.98
  4. Step 4: Simplify right side
    13,414.08x = 246,800,344.11
  5. Step 5: Solve for x
    x = 246,800,344.11/13,414.08
  6. Step 6: Final answer
    x = 18,398.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.