Home / 12,209.67-16,843.52-7,105.19

Finding the Fourth Proportional to 12,209.67, 16,843.52 and 7,105.19

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Solution

The fourth proportional to 12,209.67, 16,843.52 and 7,105.19 is: 9,801.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.67 : 16,843.52 = 7,105.19 : x
  2. Step 2: Convert to fraction form
    12,209.67/16,843.52 = 7,105.19/x
  3. Step 3: Cross multiply
    12,209.67x = 16,843.52 × 7,105.19
  4. Step 4: Simplify right side
    12,209.67x = 119,676,325.65
  5. Step 5: Solve for x
    x = 119,676,325.65/12,209.67
  6. Step 6: Final answer
    x = 9,801.77

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Double scale
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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.