Home / 21,194.73-31,792.38-6,403.77

Finding the Fourth Proportional to 21,194.73, 31,792.38 and 6,403.77

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Solution

The fourth proportional to 21,194.73, 31,792.38 and 6,403.77 is: 9,605.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.73 : 31,792.38 = 6,403.77 : x
  2. Step 2: Convert to fraction form
    21,194.73/31,792.38 = 6,403.77/x
  3. Step 3: Cross multiply
    21,194.73x = 31,792.38 × 6,403.77
  4. Step 4: Simplify right side
    21,194.73x = 203,591,089.27
  5. Step 5: Solve for x
    x = 203,591,089.27/21,194.73
  6. Step 6: Final answer
    x = 9,605.74

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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.