Home / 19,530.66-29,297.36-7,843.88

Finding the Fourth Proportional to 19,530.66, 29,297.36 and 7,843.88

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Solution

The fourth proportional to 19,530.66, 29,297.36 and 7,843.88 is: 11,766.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.66 : 29,297.36 = 7,843.88 : x
  2. Step 2: Convert to fraction form
    19,530.66/29,297.36 = 7,843.88/x
  3. Step 3: Cross multiply
    19,530.66x = 29,297.36 × 7,843.88
  4. Step 4: Simplify right side
    19,530.66x = 229,804,790.45
  5. Step 5: Solve for x
    x = 229,804,790.45/19,530.66
  6. Step 6: Final answer
    x = 11,766.36

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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.