Home / 13,922.70-20,879.60-4,560.18

Finding the Fourth Proportional to 13,922.70, 20,879.60 and 4,560.18

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Solution

The fourth proportional to 13,922.70, 20,879.60 and 4,560.18 is: 6,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.70 : 20,879.60 = 4,560.18 : x
  2. Step 2: Convert to fraction form
    13,922.70/20,879.60 = 4,560.18/x
  3. Step 3: Cross multiply
    13,922.70x = 20,879.60 × 4,560.18
  4. Step 4: Simplify right side
    13,922.70x = 95,214,734.33
  5. Step 5: Solve for x
    x = 95,214,734.33/13,922.70
  6. Step 6: Final answer
    x = 6,838.81

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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.