Home / 13,944.36-20,919.11-4,584.90

Finding the Fourth Proportional to 13,944.36, 20,919.11 and 4,584.90

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Solution

The fourth proportional to 13,944.36, 20,919.11 and 4,584.90 is: 6,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.36 : 20,919.11 = 4,584.90 : x
  2. Step 2: Convert to fraction form
    13,944.36/20,919.11 = 4,584.90/x
  3. Step 3: Cross multiply
    13,944.36x = 20,919.11 × 4,584.90
  4. Step 4: Simplify right side
    13,944.36x = 95,912,027.44
  5. Step 5: Solve for x
    x = 95,912,027.44/13,944.36
  6. Step 6: Final answer
    x = 6,878.20

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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.