Home / 14,911.26-20,576.34-8,196.72

Finding the Fourth Proportional to 14,911.26, 20,576.34 and 8,196.72

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Solution

The fourth proportional to 14,911.26, 20,576.34 and 8,196.72 is: 11,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.26 : 20,576.34 = 8,196.72 : x
  2. Step 2: Convert to fraction form
    14,911.26/20,576.34 = 8,196.72/x
  3. Step 3: Cross multiply
    14,911.26x = 20,576.34 × 8,196.72
  4. Step 4: Simplify right side
    14,911.26x = 168,658,497.60
  5. Step 5: Solve for x
    x = 168,658,497.60/14,911.26
  6. Step 6: Final answer
    x = 11,310.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.