Home / 11,223-16,834.50-4,297.68

Finding the Fourth Proportional to 11,223, 16,834.50 and 4,297.68

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Solution

The fourth proportional to 11,223, 16,834.50 and 4,297.68 is: 6,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223 : 16,834.50 = 4,297.68 : x
  2. Step 2: Convert to fraction form
    11,223/16,834.50 = 4,297.68/x
  3. Step 3: Cross multiply
    11,223x = 16,834.50 × 4,297.68
  4. Step 4: Simplify right side
    11,223x = 72,349,293.96
  5. Step 5: Solve for x
    x = 72,349,293.96/11,223
  6. Step 6: Final answer
    x = 6,446.52

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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.