Home / 37,940.09-56,911.77-11,645.87

Finding the Fourth Proportional to 37,940.09, 56,911.77 and 11,645.87

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Solution

The fourth proportional to 37,940.09, 56,911.77 and 11,645.87 is: 17,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,940.09 : 56,911.77 = 11,645.87 : x
  2. Step 2: Convert to fraction form
    37,940.09/56,911.77 = 11,645.87/x
  3. Step 3: Cross multiply
    37,940.09x = 56,911.77 × 11,645.87
  4. Step 4: Simplify right side
    37,940.09x = 662,786,790.33
  5. Step 5: Solve for x
    x = 662,786,790.33/37,940.09
  6. Step 6: Final answer
    x = 17,469.30

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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.