Home / 12,161.24-18,244.59-8,800.09

Finding the Fourth Proportional to 12,161.24, 18,244.59 and 8,800.09

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Solution

The fourth proportional to 12,161.24, 18,244.59 and 8,800.09 is: 13,202.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.24 : 18,244.59 = 8,800.09 : x
  2. Step 2: Convert to fraction form
    12,161.24/18,244.59 = 8,800.09/x
  3. Step 3: Cross multiply
    12,161.24x = 18,244.59 × 8,800.09
  4. Step 4: Simplify right side
    12,161.24x = 160,554,107.53
  5. Step 5: Solve for x
    x = 160,554,107.53/12,161.24
  6. Step 6: Final answer
    x = 13,202.12

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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.