Home / 20,171.27-30,256.49-6,320.27

Finding the Fourth Proportional to 20,171.27, 30,256.49 and 6,320.27

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Solution

The fourth proportional to 20,171.27, 30,256.49 and 6,320.27 is: 9,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.27 : 30,256.49 = 6,320.27 : x
  2. Step 2: Convert to fraction form
    20,171.27/30,256.49 = 6,320.27/x
  3. Step 3: Cross multiply
    20,171.27x = 30,256.49 × 6,320.27
  4. Step 4: Simplify right side
    20,171.27x = 191,229,003.17
  5. Step 5: Solve for x
    x = 191,229,003.17/20,171.27
  6. Step 6: Final answer
    x = 9,480.27

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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.