Home / 18,738.36-28,108.44-7,050.69

Finding the Fourth Proportional to 18,738.36, 28,108.44 and 7,050.69

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Solution

The fourth proportional to 18,738.36, 28,108.44 and 7,050.69 is: 10,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.36 : 28,108.44 = 7,050.69 : x
  2. Step 2: Convert to fraction form
    18,738.36/28,108.44 = 7,050.69/x
  3. Step 3: Cross multiply
    18,738.36x = 28,108.44 × 7,050.69
  4. Step 4: Simplify right side
    18,738.36x = 198,183,896.82
  5. Step 5: Solve for x
    x = 198,183,896.82/18,738.36
  6. Step 6: Final answer
    x = 10,576.37

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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.