Home / 13,450.59-20,179.13-4,216.59

Finding the Fourth Proportional to 13,450.59, 20,179.13 and 4,216.59

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Solution

The fourth proportional to 13,450.59, 20,179.13 and 4,216.59 is: 6,325.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.59 : 20,179.13 = 4,216.59 : x
  2. Step 2: Convert to fraction form
    13,450.59/20,179.13 = 4,216.59/x
  3. Step 3: Cross multiply
    13,450.59x = 20,179.13 × 4,216.59
  4. Step 4: Simplify right side
    13,450.59x = 85,087,203.98
  5. Step 5: Solve for x
    x = 85,087,203.98/13,450.59
  6. Step 6: Final answer
    x = 6,325.91

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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.