Home / 12,935.86-19,399.74-8,576.44

Finding the Fourth Proportional to 12,935.86, 19,399.74 and 8,576.44

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Solution

The fourth proportional to 12,935.86, 19,399.74 and 8,576.44 is: 12,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.86 : 19,399.74 = 8,576.44 : x
  2. Step 2: Convert to fraction form
    12,935.86/19,399.74 = 8,576.44/x
  3. Step 3: Cross multiply
    12,935.86x = 19,399.74 × 8,576.44
  4. Step 4: Simplify right side
    12,935.86x = 166,380,706.13
  5. Step 5: Solve for x
    x = 166,380,706.13/12,935.86
  6. Step 6: Final answer
    x = 12,861.97

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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.