Home / 14,600.43-20,146.62-8,226.72

Finding the Fourth Proportional to 14,600.43, 20,146.62 and 8,226.72

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Solution

The fourth proportional to 14,600.43, 20,146.62 and 8,226.72 is: 11,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,600.43 : 20,146.62 = 8,226.72 : x
  2. Step 2: Convert to fraction form
    14,600.43/20,146.62 = 8,226.72/x
  3. Step 3: Cross multiply
    14,600.43x = 20,146.62 × 8,226.72
  4. Step 4: Simplify right side
    14,600.43x = 165,740,601.69
  5. Step 5: Solve for x
    x = 165,740,601.69/14,600.43
  6. Step 6: Final answer
    x = 11,351.76

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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.