Home / 20,174.64-30,258.45-6,131.26

Finding the Fourth Proportional to 20,174.64, 30,258.45 and 6,131.26

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Solution

The fourth proportional to 20,174.64, 30,258.45 and 6,131.26 is: 9,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.64 : 30,258.45 = 6,131.26 : x
  2. Step 2: Convert to fraction form
    20,174.64/30,258.45 = 6,131.26/x
  3. Step 3: Cross multiply
    20,174.64x = 30,258.45 × 6,131.26
  4. Step 4: Simplify right side
    20,174.64x = 185,522,424.15
  5. Step 5: Solve for x
    x = 185,522,424.15/20,174.64
  6. Step 6: Final answer
    x = 9,195.82

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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.