Home / 12,224.39-16,869.67-6,920.91

Finding the Fourth Proportional to 12,224.39, 16,869.67 and 6,920.91

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Solution

The fourth proportional to 12,224.39, 16,869.67 and 6,920.91 is: 9,550.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.39 : 16,869.67 = 6,920.91 : x
  2. Step 2: Convert to fraction form
    12,224.39/16,869.67 = 6,920.91/x
  3. Step 3: Cross multiply
    12,224.39x = 16,869.67 × 6,920.91
  4. Step 4: Simplify right side
    12,224.39x = 116,753,450.50
  5. Step 5: Solve for x
    x = 116,753,450.50/12,224.39
  6. Step 6: Final answer
    x = 9,550.86

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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.