Home / 16,658.98-22,989.41-9,586.78

Finding the Fourth Proportional to 16,658.98, 22,989.41 and 9,586.78

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Solution

The fourth proportional to 16,658.98, 22,989.41 and 9,586.78 is: 13,229.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.98 : 22,989.41 = 9,586.78 : x
  2. Step 2: Convert to fraction form
    16,658.98/22,989.41 = 9,586.78/x
  3. Step 3: Cross multiply
    16,658.98x = 22,989.41 × 9,586.78
  4. Step 4: Simplify right side
    16,658.98x = 220,394,346.54
  5. Step 5: Solve for x
    x = 220,394,346.54/16,658.98
  6. Step 6: Final answer
    x = 13,229.76

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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.