Home / 16,942.50-23,380.61-9,388.85

Finding the Fourth Proportional to 16,942.50, 23,380.61 and 9,388.85

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Solution

The fourth proportional to 16,942.50, 23,380.61 and 9,388.85 is: 12,956.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.50 : 23,380.61 = 9,388.85 : x
  2. Step 2: Convert to fraction form
    16,942.50/23,380.61 = 9,388.85/x
  3. Step 3: Cross multiply
    16,942.50x = 23,380.61 × 9,388.85
  4. Step 4: Simplify right side
    16,942.50x = 219,516,876.35
  5. Step 5: Solve for x
    x = 219,516,876.35/16,942.50
  6. Step 6: Final answer
    x = 12,956.58

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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.