Home / 18,538.00-27,816.80-10,110.58

Finding the Fourth Proportional to 18,538.00, 27,816.80 and 10,110.58

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Solution

The fourth proportional to 18,538.00, 27,816.80 and 10,110.58 is: 15,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.00 : 27,816.80 = 10,110.58 : x
  2. Step 2: Convert to fraction form
    18,538.00/27,816.80 = 10,110.58/x
  3. Step 3: Cross multiply
    18,538.00x = 27,816.80 × 10,110.58
  4. Step 4: Simplify right side
    18,538.00x = 281,244,092.78
  5. Step 5: Solve for x
    x = 281,244,092.78/18,538.00
  6. Step 6: Final answer
    x = 15,171.22

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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.