Home / 12,623.92-18,940.20-5,601.76

Finding the Fourth Proportional to 12,623.92, 18,940.20 and 5,601.76

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Solution

The fourth proportional to 12,623.92, 18,940.20 and 5,601.76 is: 8,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.92 : 18,940.20 = 5,601.76 : x
  2. Step 2: Convert to fraction form
    12,623.92/18,940.20 = 5,601.76/x
  3. Step 3: Cross multiply
    12,623.92x = 18,940.20 × 5,601.76
  4. Step 4: Simplify right side
    12,623.92x = 106,098,454.75
  5. Step 5: Solve for x
    x = 106,098,454.75/12,623.92
  6. Step 6: Final answer
    x = 8,404.56

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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.