Home / 18,110.52-27,175.59-7,581.47

Finding the Fourth Proportional to 18,110.52, 27,175.59 and 7,581.47

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Solution

The fourth proportional to 18,110.52, 27,175.59 and 7,581.47 is: 11,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.52 : 27,175.59 = 7,581.47 : x
  2. Step 2: Convert to fraction form
    18,110.52/27,175.59 = 7,581.47/x
  3. Step 3: Cross multiply
    18,110.52x = 27,175.59 × 7,581.47
  4. Step 4: Simplify right side
    18,110.52x = 206,030,784.44
  5. Step 5: Solve for x
    x = 206,030,784.44/18,110.52
  6. Step 6: Final answer
    x = 11,376.30

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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.