Home / 21,814.82-32,722.38-9,324.32

Finding the Fourth Proportional to 21,814.82, 32,722.38 and 9,324.32

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Solution

The fourth proportional to 21,814.82, 32,722.38 and 9,324.32 is: 13,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,814.82 : 32,722.38 = 9,324.32 : x
  2. Step 2: Convert to fraction form
    21,814.82/32,722.38 = 9,324.32/x
  3. Step 3: Cross multiply
    21,814.82x = 32,722.38 × 9,324.32
  4. Step 4: Simplify right side
    21,814.82x = 305,113,778.67
  5. Step 5: Solve for x
    x = 305,113,778.67/21,814.82
  6. Step 6: Final answer
    x = 13,986.54

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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.