Home / 18,018.03-27,027.14-11,817.31

Finding the Fourth Proportional to 18,018.03, 27,027.14 and 11,817.31

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Solution

The fourth proportional to 18,018.03, 27,027.14 and 11,817.31 is: 17,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.03 : 27,027.14 = 11,817.31 : x
  2. Step 2: Convert to fraction form
    18,018.03/27,027.14 = 11,817.31/x
  3. Step 3: Cross multiply
    18,018.03x = 27,027.14 × 11,817.31
  4. Step 4: Simplify right side
    18,018.03x = 319,388,098.91
  5. Step 5: Solve for x
    x = 319,388,098.91/18,018.03
  6. Step 6: Final answer
    x = 17,726.03

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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.