Home / 12,767.49-19,151.24-4,003.09

Finding the Fourth Proportional to 12,767.49, 19,151.24 and 4,003.09

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Solution

The fourth proportional to 12,767.49, 19,151.24 and 4,003.09 is: 6,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.49 : 19,151.24 = 4,003.09 : x
  2. Step 2: Convert to fraction form
    12,767.49/19,151.24 = 4,003.09/x
  3. Step 3: Cross multiply
    12,767.49x = 19,151.24 × 4,003.09
  4. Step 4: Simplify right side
    12,767.49x = 76,664,069.44
  5. Step 5: Solve for x
    x = 76,664,069.44/12,767.49
  6. Step 6: Final answer
    x = 6,004.63

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Half scale
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Double scale
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Similar ratio
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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.