Home / 14,379.54-21,571.29-6,480.96

Finding the Fourth Proportional to 14,379.54, 21,571.29 and 6,480.96

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Solution

The fourth proportional to 14,379.54, 21,571.29 and 6,480.96 is: 9,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.54 : 21,571.29 = 6,480.96 : x
  2. Step 2: Convert to fraction form
    14,379.54/21,571.29 = 6,480.96/x
  3. Step 3: Cross multiply
    14,379.54x = 21,571.29 × 6,480.96
  4. Step 4: Simplify right side
    14,379.54x = 139,802,667.64
  5. Step 5: Solve for x
    x = 139,802,667.64/14,379.54
  6. Step 6: Final answer
    x = 9,722.33

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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.