Home / 20,650.18-30,972.39-6,794.50

Finding the Fourth Proportional to 20,650.18, 30,972.39 and 6,794.50

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Solution

The fourth proportional to 20,650.18, 30,972.39 and 6,794.50 is: 10,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650.18 : 30,972.39 = 6,794.50 : x
  2. Step 2: Convert to fraction form
    20,650.18/30,972.39 = 6,794.50/x
  3. Step 3: Cross multiply
    20,650.18x = 30,972.39 × 6,794.50
  4. Step 4: Simplify right side
    20,650.18x = 210,441,903.86
  5. Step 5: Solve for x
    x = 210,441,903.86/20,650.18
  6. Step 6: Final answer
    x = 10,190.80

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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.