Home / 12,385.38-17,093.03-7,079.19

Finding the Fourth Proportional to 12,385.38, 17,093.03 and 7,079.19

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Solution

The fourth proportional to 12,385.38, 17,093.03 and 7,079.19 is: 9,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385.38 : 17,093.03 = 7,079.19 : x
  2. Step 2: Convert to fraction form
    12,385.38/17,093.03 = 7,079.19/x
  3. Step 3: Cross multiply
    12,385.38x = 17,093.03 × 7,079.19
  4. Step 4: Simplify right side
    12,385.38x = 121,004,771.65
  5. Step 5: Solve for x
    x = 121,004,771.65/12,385.38
  6. Step 6: Final answer
    x = 9,769.97

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Half 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.