Home / 20,134.20-30,164.85-16,416.30

Finding the Fourth Proportional to 20,134.20, 30,164.85 and 16,416.30

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Solution

The fourth proportional to 20,134.20, 30,164.85 and 16,416.30 is: 24,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.20 : 30,164.85 = 16,416.30 : x
  2. Step 2: Convert to fraction form
    20,134.20/30,164.85 = 16,416.30/x
  3. Step 3: Cross multiply
    20,134.20x = 30,164.85 × 16,416.30
  4. Step 4: Simplify right side
    20,134.20x = 495,195,227.06
  5. Step 5: Solve for x
    x = 495,195,227.06/20,134.20
  6. Step 6: Final answer
    x = 24,594.73

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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.