Home / 12,983.88-19,469.66-6,737.65

Finding the Fourth Proportional to 12,983.88, 19,469.66 and 6,737.65

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Solution

The fourth proportional to 12,983.88, 19,469.66 and 6,737.65 is: 10,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983.88 : 19,469.66 = 6,737.65 : x
  2. Step 2: Convert to fraction form
    12,983.88/19,469.66 = 6,737.65/x
  3. Step 3: Cross multiply
    12,983.88x = 19,469.66 × 6,737.65
  4. Step 4: Simplify right side
    12,983.88x = 131,179,672.34
  5. Step 5: Solve for x
    x = 131,179,672.34/12,983.88
  6. Step 6: Final answer
    x = 10,103.27

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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.