Home / 11,234.62-16,851.85-8,771.50

Finding the Fourth Proportional to 11,234.62, 16,851.85 and 8,771.50

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Solution

The fourth proportional to 11,234.62, 16,851.85 and 8,771.50 is: 13,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.62 : 16,851.85 = 8,771.50 : x
  2. Step 2: Convert to fraction form
    11,234.62/16,851.85 = 8,771.50/x
  3. Step 3: Cross multiply
    11,234.62x = 16,851.85 × 8,771.50
  4. Step 4: Simplify right side
    11,234.62x = 147,816,002.28
  5. Step 5: Solve for x
    x = 147,816,002.28/11,234.62
  6. Step 6: Final answer
    x = 13,157.19

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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.