Home / 13,522.13-20,283.39-3,662.40

Finding the Fourth Proportional to 13,522.13, 20,283.39 and 3,662.40

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Solution

The fourth proportional to 13,522.13, 20,283.39 and 3,662.40 is: 5,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.13 : 20,283.39 = 3,662.40 : x
  2. Step 2: Convert to fraction form
    13,522.13/20,283.39 = 3,662.40/x
  3. Step 3: Cross multiply
    13,522.13x = 20,283.39 × 3,662.40
  4. Step 4: Simplify right side
    13,522.13x = 74,285,887.54
  5. Step 5: Solve for x
    x = 74,285,887.54/13,522.13
  6. Step 6: Final answer
    x = 5,493.65

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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.