Home / 14,479.76-21,704.83-8,226.43

Finding the Fourth Proportional to 14,479.76, 21,704.83 and 8,226.43

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Solution

The fourth proportional to 14,479.76, 21,704.83 and 8,226.43 is: 12,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.76 : 21,704.83 = 8,226.43 : x
  2. Step 2: Convert to fraction form
    14,479.76/21,704.83 = 8,226.43/x
  3. Step 3: Cross multiply
    14,479.76x = 21,704.83 × 8,226.43
  4. Step 4: Simplify right side
    14,479.76x = 178,553,189.83
  5. Step 5: Solve for x
    x = 178,553,189.83/14,479.76
  6. Step 6: Final answer
    x = 12,331.22

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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.