Home / 11,771.78-17,641.26-8,846.66

Finding the Fourth Proportional to 11,771.78, 17,641.26 and 8,846.66

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Solution

The fourth proportional to 11,771.78, 17,641.26 and 8,846.66 is: 13,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.78 : 17,641.26 = 8,846.66 : x
  2. Step 2: Convert to fraction form
    11,771.78/17,641.26 = 8,846.66/x
  3. Step 3: Cross multiply
    11,771.78x = 17,641.26 × 8,846.66
  4. Step 4: Simplify right side
    11,771.78x = 156,066,273.29
  5. Step 5: Solve for x
    x = 156,066,273.29/11,771.78
  6. Step 6: Final answer
    x = 13,257.67

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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.