Home / 18,379.21-25,362.55-10,825.85

Finding the Fourth Proportional to 18,379.21, 25,362.55 and 10,825.85

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Solution

The fourth proportional to 18,379.21, 25,362.55 and 10,825.85 is: 14,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379.21 : 25,362.55 = 10,825.85 : x
  2. Step 2: Convert to fraction form
    18,379.21/25,362.55 = 10,825.85/x
  3. Step 3: Cross multiply
    18,379.21x = 25,362.55 × 10,825.85
  4. Step 4: Simplify right side
    18,379.21x = 274,571,161.92
  5. Step 5: Solve for x
    x = 274,571,161.92/18,379.21
  6. Step 6: Final answer
    x = 14,939.23

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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.