Home / 13,994.38-20,889.19-12,333.68

Finding the Fourth Proportional to 13,994.38, 20,889.19 and 12,333.68

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Solution

The fourth proportional to 13,994.38, 20,889.19 and 12,333.68 is: 18,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.38 : 20,889.19 = 12,333.68 : x
  2. Step 2: Convert to fraction form
    13,994.38/20,889.19 = 12,333.68/x
  3. Step 3: Cross multiply
    13,994.38x = 20,889.19 × 12,333.68
  4. Step 4: Simplify right side
    13,994.38x = 257,640,584.92
  5. Step 5: Solve for x
    x = 257,640,584.92/13,994.38
  6. Step 6: Final answer
    x = 18,410.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.