Home / 21,269.73-31,906.07-7,224.03

Finding the Fourth Proportional to 21,269.73, 31,906.07 and 7,224.03

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Solution

The fourth proportional to 21,269.73, 31,906.07 and 7,224.03 is: 10,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269.73 : 31,906.07 = 7,224.03 : x
  2. Step 2: Convert to fraction form
    21,269.73/31,906.07 = 7,224.03/x
  3. Step 3: Cross multiply
    21,269.73x = 31,906.07 × 7,224.03
  4. Step 4: Simplify right side
    21,269.73x = 230,490,397.83
  5. Step 5: Solve for x
    x = 230,490,397.83/21,269.73
  6. Step 6: Final answer
    x = 10,836.54

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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.