Home / 20,177.64-30,268.62-6,137.64

Finding the Fourth Proportional to 20,177.64, 30,268.62 and 6,137.64

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Solution

The fourth proportional to 20,177.64, 30,268.62 and 6,137.64 is: 9,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.64 : 30,268.62 = 6,137.64 : x
  2. Step 2: Convert to fraction form
    20,177.64/30,268.62 = 6,137.64/x
  3. Step 3: Cross multiply
    20,177.64x = 30,268.62 × 6,137.64
  4. Step 4: Simplify right side
    20,177.64x = 185,777,892.86
  5. Step 5: Solve for x
    x = 185,777,892.86/20,177.64
  6. Step 6: Final answer
    x = 9,207.12

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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.