Home / 11,738.57-17,610.75-3,418.67

Finding the Fourth Proportional to 11,738.57, 17,610.75 and 3,418.67

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Solution

The fourth proportional to 11,738.57, 17,610.75 and 3,418.67 is: 5,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.57 : 17,610.75 = 3,418.67 : x
  2. Step 2: Convert to fraction form
    11,738.57/17,610.75 = 3,418.67/x
  3. Step 3: Cross multiply
    11,738.57x = 17,610.75 × 3,418.67
  4. Step 4: Simplify right side
    11,738.57x = 60,205,312.43
  5. Step 5: Solve for x
    x = 60,205,312.43/11,738.57
  6. Step 6: Final answer
    x = 5,128.84

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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.