Home / 20,150.20-30,237.14-8,462.52

Finding the Fourth Proportional to 20,150.20, 30,237.14 and 8,462.52

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Solution

The fourth proportional to 20,150.20, 30,237.14 and 8,462.52 is: 12,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.20 : 30,237.14 = 8,462.52 : x
  2. Step 2: Convert to fraction form
    20,150.20/30,237.14 = 8,462.52/x
  3. Step 3: Cross multiply
    20,150.20x = 30,237.14 × 8,462.52
  4. Step 4: Simplify right side
    20,150.20x = 255,882,401.99
  5. Step 5: Solve for x
    x = 255,882,401.99/20,150.20
  6. Step 6: Final answer
    x = 12,698.75

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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.