Home / 19,481.27-26,882.24-11,415.80

Finding the Fourth Proportional to 19,481.27, 26,882.24 and 11,415.80

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Solution

The fourth proportional to 19,481.27, 26,882.24 and 11,415.80 is: 15,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.27 : 26,882.24 = 11,415.80 : x
  2. Step 2: Convert to fraction form
    19,481.27/26,882.24 = 11,415.80/x
  3. Step 3: Cross multiply
    19,481.27x = 26,882.24 × 11,415.80
  4. Step 4: Simplify right side
    19,481.27x = 306,882,285.52
  5. Step 5: Solve for x
    x = 306,882,285.52/19,481.27
  6. Step 6: Final answer
    x = 15,752.69

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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.