Home / 20,166.10-30,247.06-6,125.56

Finding the Fourth Proportional to 20,166.10, 30,247.06 and 6,125.56

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Solution

The fourth proportional to 20,166.10, 30,247.06 and 6,125.56 is: 9,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.10 : 30,247.06 = 6,125.56 : x
  2. Step 2: Convert to fraction form
    20,166.10/30,247.06 = 6,125.56/x
  3. Step 3: Cross multiply
    20,166.10x = 30,247.06 × 6,125.56
  4. Step 4: Simplify right side
    20,166.10x = 185,280,180.85
  5. Step 5: Solve for x
    x = 185,280,180.85/20,166.10
  6. Step 6: Final answer
    x = 9,187.71

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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.