Home / 18,344.36-25,314.54-9,960.68

Finding the Fourth Proportional to 18,344.36, 25,314.54 and 9,960.68

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Solution

The fourth proportional to 18,344.36, 25,314.54 and 9,960.68 is: 13,745.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.36 : 25,314.54 = 9,960.68 : x
  2. Step 2: Convert to fraction form
    18,344.36/25,314.54 = 9,960.68/x
  3. Step 3: Cross multiply
    18,344.36x = 25,314.54 × 9,960.68
  4. Step 4: Simplify right side
    18,344.36x = 252,150,032.29
  5. Step 5: Solve for x
    x = 252,150,032.29/18,344.36
  6. Step 6: Final answer
    x = 13,745.37

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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.