Home / 12,704.96-19,058.70-5,311.73

Finding the Fourth Proportional to 12,704.96, 19,058.70 and 5,311.73

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Solution

The fourth proportional to 12,704.96, 19,058.70 and 5,311.73 is: 7,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704.96 : 19,058.70 = 5,311.73 : x
  2. Step 2: Convert to fraction form
    12,704.96/19,058.70 = 5,311.73/x
  3. Step 3: Cross multiply
    12,704.96x = 19,058.70 × 5,311.73
  4. Step 4: Simplify right side
    12,704.96x = 101,234,668.55
  5. Step 5: Solve for x
    x = 101,234,668.55/12,704.96
  6. Step 6: Final answer
    x = 7,968.12

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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.