Home / 18,321.18-27,481.77-14,668.89

Finding the Fourth Proportional to 18,321.18, 27,481.77 and 14,668.89

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Solution

The fourth proportional to 18,321.18, 27,481.77 and 14,668.89 is: 22,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.18 : 27,481.77 = 14,668.89 : x
  2. Step 2: Convert to fraction form
    18,321.18/27,481.77 = 14,668.89/x
  3. Step 3: Cross multiply
    18,321.18x = 27,481.77 × 14,668.89
  4. Step 4: Simplify right side
    18,321.18x = 403,127,061.14
  5. Step 5: Solve for x
    x = 403,127,061.14/18,321.18
  6. Step 6: Final answer
    x = 22,003.34

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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.