Home / 13,482.25-20,224.85-3,622.29

Finding the Fourth Proportional to 13,482.25, 20,224.85 and 3,622.29

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Solution

The fourth proportional to 13,482.25, 20,224.85 and 3,622.29 is: 5,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.25 : 20,224.85 = 3,622.29 : x
  2. Step 2: Convert to fraction form
    13,482.25/20,224.85 = 3,622.29/x
  3. Step 3: Cross multiply
    13,482.25x = 20,224.85 × 3,622.29
  4. Step 4: Simplify right side
    13,482.25x = 73,260,351.15
  5. Step 5: Solve for x
    x = 73,260,351.15/13,482.25
  6. Step 6: Final answer
    x = 5,433.84

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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.