Home / 20,650.94-28,499.71-11,698.52

Finding the Fourth Proportional to 20,650.94, 28,499.71 and 11,698.52

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Solution

The fourth proportional to 20,650.94, 28,499.71 and 11,698.52 is: 16,144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650.94 : 28,499.71 = 11,698.52 : x
  2. Step 2: Convert to fraction form
    20,650.94/28,499.71 = 11,698.52/x
  3. Step 3: Cross multiply
    20,650.94x = 28,499.71 × 11,698.52
  4. Step 4: Simplify right side
    20,650.94x = 333,404,456.68
  5. Step 5: Solve for x
    x = 333,404,456.68/20,650.94
  6. Step 6: Final answer
    x = 16,144.76

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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.