Home / 13,919.12-20,882.09-4,559.64

Finding the Fourth Proportional to 13,919.12, 20,882.09 and 4,559.64

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Solution

The fourth proportional to 13,919.12, 20,882.09 and 4,559.64 is: 6,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919.12 : 20,882.09 = 4,559.64 : x
  2. Step 2: Convert to fraction form
    13,919.12/20,882.09 = 4,559.64/x
  3. Step 3: Cross multiply
    13,919.12x = 20,882.09 × 4,559.64
  4. Step 4: Simplify right side
    13,919.12x = 95,214,812.85
  5. Step 5: Solve for x
    x = 95,214,812.85/13,919.12
  6. Step 6: Final answer
    x = 6,840.58

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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.