Home / 14,164.44-21,243.78-13,461.90

Finding the Fourth Proportional to 14,164.44, 21,243.78 and 13,461.90

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Solution

The fourth proportional to 14,164.44, 21,243.78 and 13,461.90 is: 20,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.44 : 21,243.78 = 13,461.90 : x
  2. Step 2: Convert to fraction form
    14,164.44/21,243.78 = 13,461.90/x
  3. Step 3: Cross multiply
    14,164.44x = 21,243.78 × 13,461.90
  4. Step 4: Simplify right side
    14,164.44x = 285,981,641.98
  5. Step 5: Solve for x
    x = 285,981,641.98/14,164.44
  6. Step 6: Final answer
    x = 20,190.11

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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.