Home / 13,449.62-18,560.68-8,144.94

Finding the Fourth Proportional to 13,449.62, 18,560.68 and 8,144.94

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Solution

The fourth proportional to 13,449.62, 18,560.68 and 8,144.94 is: 11,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.62 : 18,560.68 = 8,144.94 : x
  2. Step 2: Convert to fraction form
    13,449.62/18,560.68 = 8,144.94/x
  3. Step 3: Cross multiply
    13,449.62x = 18,560.68 × 8,144.94
  4. Step 4: Simplify right side
    13,449.62x = 151,175,624.96
  5. Step 5: Solve for x
    x = 151,175,624.96/13,449.62
  6. Step 6: Final answer
    x = 11,240.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.