Home / 19,101.66-28,668.89-10,789.84

Finding the Fourth Proportional to 19,101.66, 28,668.89 and 10,789.84

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Solution

The fourth proportional to 19,101.66, 28,668.89 and 10,789.84 is: 16,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.66 : 28,668.89 = 10,789.84 : x
  2. Step 2: Convert to fraction form
    19,101.66/28,668.89 = 10,789.84/x
  3. Step 3: Cross multiply
    19,101.66x = 28,668.89 × 10,789.84
  4. Step 4: Simplify right side
    19,101.66x = 309,332,736.08
  5. Step 5: Solve for x
    x = 309,332,736.08/19,101.66
  6. Step 6: Final answer
    x = 16,194.02

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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.