Home / 13,522.20-20,251.96-13,055.12

Finding the Fourth Proportional to 13,522.20, 20,251.96 and 13,055.12

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Solution

The fourth proportional to 13,522.20, 20,251.96 and 13,055.12 is: 19,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.20 : 20,251.96 = 13,055.12 : x
  2. Step 2: Convert to fraction form
    13,522.20/20,251.96 = 13,055.12/x
  3. Step 3: Cross multiply
    13,522.20x = 20,251.96 × 13,055.12
  4. Step 4: Simplify right side
    13,522.20x = 264,391,768.04
  5. Step 5: Solve for x
    x = 264,391,768.04/13,522.20
  6. Step 6: Final answer
    x = 19,552.42

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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.