Home / 12,578.04-17,352.21-7,796.73

Finding the Fourth Proportional to 12,578.04, 17,352.21 and 7,796.73

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Solution

The fourth proportional to 12,578.04, 17,352.21 and 7,796.73 is: 10,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,578.04 : 17,352.21 = 7,796.73 : x
  2. Step 2: Convert to fraction form
    12,578.04/17,352.21 = 7,796.73/x
  3. Step 3: Cross multiply
    12,578.04x = 17,352.21 × 7,796.73
  4. Step 4: Simplify right side
    12,578.04x = 135,290,496.27
  5. Step 5: Solve for x
    x = 135,290,496.27/12,578.04
  6. Step 6: Final answer
    x = 10,756.09

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.