Home / 20,171.08-30,250.38-6,130.54

Finding the Fourth Proportional to 20,171.08, 30,250.38 and 6,130.54

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Solution

The fourth proportional to 20,171.08, 30,250.38 and 6,130.54 is: 9,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.08 : 30,250.38 = 6,130.54 : x
  2. Step 2: Convert to fraction form
    20,171.08/30,250.38 = 6,130.54/x
  3. Step 3: Cross multiply
    20,171.08x = 30,250.38 × 6,130.54
  4. Step 4: Simplify right side
    20,171.08x = 185,451,164.61
  5. Step 5: Solve for x
    x = 185,451,164.61/20,171.08
  6. Step 6: Final answer
    x = 9,193.91

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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.