Home / 21,195.44-31,792.22-6,403.91

Finding the Fourth Proportional to 21,195.44, 31,792.22 and 6,403.91

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Solution

The fourth proportional to 21,195.44, 31,792.22 and 6,403.91 is: 9,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195.44 : 31,792.22 = 6,403.91 : x
  2. Step 2: Convert to fraction form
    21,195.44/31,792.22 = 6,403.91/x
  3. Step 3: Cross multiply
    21,195.44x = 31,792.22 × 6,403.91
  4. Step 4: Simplify right side
    21,195.44x = 203,594,324.60
  5. Step 5: Solve for x
    x = 203,594,324.60/21,195.44
  6. Step 6: Final answer
    x = 9,605.57

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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.