Home / 10,183.30-15,257-8,919.80

Finding the Fourth Proportional to 10,183.30, 15,257 and 8,919.80

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Solution

The fourth proportional to 10,183.30, 15,257 and 8,919.80 is: 13,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.30 : 15,257 = 8,919.80 : x
  2. Step 2: Convert to fraction form
    10,183.30/15,257 = 8,919.80/x
  3. Step 3: Cross multiply
    10,183.30x = 15,257 × 8,919.80
  4. Step 4: Simplify right side
    10,183.30x = 136,089,388.60
  5. Step 5: Solve for x
    x = 136,089,388.60/10,183.30
  6. Step 6: Final answer
    x = 13,363.98

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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.