Home / 20,076.39-30,119.76-6,928.83

Finding the Fourth Proportional to 20,076.39, 30,119.76 and 6,928.83

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Solution

The fourth proportional to 20,076.39, 30,119.76 and 6,928.83 is: 10,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076.39 : 30,119.76 = 6,928.83 : x
  2. Step 2: Convert to fraction form
    20,076.39/30,119.76 = 6,928.83/x
  3. Step 3: Cross multiply
    20,076.39x = 30,119.76 × 6,928.83
  4. Step 4: Simplify right side
    20,076.39x = 208,694,696.68
  5. Step 5: Solve for x
    x = 208,694,696.68/20,076.39
  6. Step 6: Final answer
    x = 10,395.03

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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.