Home / 19,121.92-26,388.84-10,738.60

Finding the Fourth Proportional to 19,121.92, 26,388.84 and 10,738.60

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Solution

The fourth proportional to 19,121.92, 26,388.84 and 10,738.60 is: 14,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.92 : 26,388.84 = 10,738.60 : x
  2. Step 2: Convert to fraction form
    19,121.92/26,388.84 = 10,738.60/x
  3. Step 3: Cross multiply
    19,121.92x = 26,388.84 × 10,738.60
  4. Step 4: Simplify right side
    19,121.92x = 283,379,197.22
  5. Step 5: Solve for x
    x = 283,379,197.22/19,121.92
  6. Step 6: Final answer
    x = 14,819.60

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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.