Home / 8,188.44-12,279.62-5,570.19

Finding the Fourth Proportional to 8,188.44, 12,279.62 and 5,570.19

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Solution

The fourth proportional to 8,188.44, 12,279.62 and 5,570.19 is: 8,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.44 : 12,279.62 = 5,570.19 : x
  2. Step 2: Convert to fraction form
    8,188.44/12,279.62 = 5,570.19/x
  3. Step 3: Cross multiply
    8,188.44x = 12,279.62 × 5,570.19
  4. Step 4: Simplify right side
    8,188.44x = 68,399,788.68
  5. Step 5: Solve for x
    x = 68,399,788.68/8,188.44
  6. Step 6: Final answer
    x = 8,353.21

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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.