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Finding the Fourth Proportional to 8,673, 11,966.83 and 6,658.73

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Solution

The fourth proportional to 8,673, 11,966.83 and 6,658.73 is: 9,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673 : 11,966.83 = 6,658.73 : x
  2. Step 2: Convert to fraction form
    8,673/11,966.83 = 6,658.73/x
  3. Step 3: Cross multiply
    8,673x = 11,966.83 × 6,658.73
  4. Step 4: Simplify right side
    8,673x = 79,683,889.93
  5. Step 5: Solve for x
    x = 79,683,889.93/8,673
  6. Step 6: Final answer
    x = 9,187.58

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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.