Home / 18,403.80-27,584.10-8,522.22

Finding the Fourth Proportional to 18,403.80, 27,584.10 and 8,522.22

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Solution

The fourth proportional to 18,403.80, 27,584.10 and 8,522.22 is: 12,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.80 : 27,584.10 = 8,522.22 : x
  2. Step 2: Convert to fraction form
    18,403.80/27,584.10 = 8,522.22/x
  3. Step 3: Cross multiply
    18,403.80x = 27,584.10 × 8,522.22
  4. Step 4: Simplify right side
    18,403.80x = 235,077,768.70
  5. Step 5: Solve for x
    x = 235,077,768.70/18,403.80
  6. Step 6: Final answer
    x = 12,773.33

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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.