Home / 20,052.09-30,078.59-6,725.05

Finding the Fourth Proportional to 20,052.09, 30,078.59 and 6,725.05

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Solution

The fourth proportional to 20,052.09, 30,078.59 and 6,725.05 is: 10,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.09 : 30,078.59 = 6,725.05 : x
  2. Step 2: Convert to fraction form
    20,052.09/30,078.59 = 6,725.05/x
  3. Step 3: Cross multiply
    20,052.09x = 30,078.59 × 6,725.05
  4. Step 4: Simplify right side
    20,052.09x = 202,279,912.86
  5. Step 5: Solve for x
    x = 202,279,912.86/20,052.09
  6. Step 6: Final answer
    x = 10,087.72

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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.