Home / 20,091.78-30,142.12-6,052.86

Finding the Fourth Proportional to 20,091.78, 30,142.12 and 6,052.86

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Solution

The fourth proportional to 20,091.78, 30,142.12 and 6,052.86 is: 9,080.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091.78 : 30,142.12 = 6,052.86 : x
  2. Step 2: Convert to fraction form
    20,091.78/30,142.12 = 6,052.86/x
  3. Step 3: Cross multiply
    20,091.78x = 30,142.12 × 6,052.86
  4. Step 4: Simplify right side
    20,091.78x = 182,446,032.46
  5. Step 5: Solve for x
    x = 182,446,032.46/20,091.78
  6. Step 6: Final answer
    x = 9,080.63

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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.