Home / 13,785.60-20,678.39-5,994.41

Finding the Fourth Proportional to 13,785.60, 20,678.39 and 5,994.41

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Solution

The fourth proportional to 13,785.60, 20,678.39 and 5,994.41 is: 8,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785.60 : 20,678.39 = 5,994.41 : x
  2. Step 2: Convert to fraction form
    13,785.60/20,678.39 = 5,994.41/x
  3. Step 3: Cross multiply
    13,785.60x = 20,678.39 × 5,994.41
  4. Step 4: Simplify right side
    13,785.60x = 123,954,747.80
  5. Step 5: Solve for x
    x = 123,954,747.80/13,785.60
  6. Step 6: Final answer
    x = 8,991.61

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Similar ratio
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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.