Home / 13,522.30-20,285.37-4,163.08

Finding the Fourth Proportional to 13,522.30, 20,285.37 and 4,163.08

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Solution

The fourth proportional to 13,522.30, 20,285.37 and 4,163.08 is: 6,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.30 : 20,285.37 = 4,163.08 : x
  2. Step 2: Convert to fraction form
    13,522.30/20,285.37 = 4,163.08/x
  3. Step 3: Cross multiply
    13,522.30x = 20,285.37 × 4,163.08
  4. Step 4: Simplify right side
    13,522.30x = 84,449,618.14
  5. Step 5: Solve for x
    x = 84,449,618.14/13,522.30
  6. Step 6: Final answer
    x = 6,245.21

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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.