Home / 13,451.16-20,179.97-4,217.16

Finding the Fourth Proportional to 13,451.16, 20,179.97 and 4,217.16

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Solution

The fourth proportional to 13,451.16, 20,179.97 and 4,217.16 is: 6,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.16 : 20,179.97 = 4,217.16 : x
  2. Step 2: Convert to fraction form
    13,451.16/20,179.97 = 4,217.16/x
  3. Step 3: Cross multiply
    13,451.16x = 20,179.97 × 4,217.16
  4. Step 4: Simplify right side
    13,451.16x = 85,102,172.83
  5. Step 5: Solve for x
    x = 85,102,172.83/13,451.16
  6. Step 6: Final answer
    x = 6,326.75

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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.