Home / 13,450.88-20,179.55-4,216.88

Finding the Fourth Proportional to 13,450.88, 20,179.55 and 4,216.88

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Solution

The fourth proportional to 13,450.88, 20,179.55 and 4,216.88 is: 6,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.88 : 20,179.55 = 4,216.88 : x
  2. Step 2: Convert to fraction form
    13,450.88/20,179.55 = 4,216.88/x
  3. Step 3: Cross multiply
    13,450.88x = 20,179.55 × 4,216.88
  4. Step 4: Simplify right side
    13,450.88x = 85,094,650.45
  5. Step 5: Solve for x
    x = 85,094,650.45/13,450.88
  6. Step 6: Final answer
    x = 6,326.33

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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.