Home / 13,450.56-20,179.08-4,216.56

Finding the Fourth Proportional to 13,450.56, 20,179.08 and 4,216.56

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Solution

The fourth proportional to 13,450.56, 20,179.08 and 4,216.56 is: 6,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.56 : 20,179.08 = 4,216.56 : x
  2. Step 2: Convert to fraction form
    13,450.56/20,179.08 = 4,216.56/x
  3. Step 3: Cross multiply
    13,450.56x = 20,179.08 × 4,216.56
  4. Step 4: Simplify right side
    13,450.56x = 85,086,301.56
  5. Step 5: Solve for x
    x = 85,086,301.56/13,450.56
  6. Step 6: Final answer
    x = 6,325.86

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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.