Home / 18,324.06-25,287.32-9,940.56

Finding the Fourth Proportional to 18,324.06, 25,287.32 and 9,940.56

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Solution

The fourth proportional to 18,324.06, 25,287.32 and 9,940.56 is: 13,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.06 : 25,287.32 = 9,940.56 : x
  2. Step 2: Convert to fraction form
    18,324.06/25,287.32 = 9,940.56/x
  3. Step 3: Cross multiply
    18,324.06x = 25,287.32 × 9,940.56
  4. Step 4: Simplify right side
    18,324.06x = 251,370,121.70
  5. Step 5: Solve for x
    x = 251,370,121.70/18,324.06
  6. Step 6: Final answer
    x = 13,718.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.