Home / 14,518.98-21,781.71-4,131.54

Finding the Fourth Proportional to 14,518.98, 21,781.71 and 4,131.54

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Solution

The fourth proportional to 14,518.98, 21,781.71 and 4,131.54 is: 6,198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.98 : 21,781.71 = 4,131.54 : x
  2. Step 2: Convert to fraction form
    14,518.98/21,781.71 = 4,131.54/x
  3. Step 3: Cross multiply
    14,518.98x = 21,781.71 × 4,131.54
  4. Step 4: Simplify right side
    14,518.98x = 89,992,006.13
  5. Step 5: Solve for x
    x = 89,992,006.13/14,518.98
  6. Step 6: Final answer
    x = 6,198.23

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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.