Home / 19,081.09-28,629.87-9,227.80

Finding the Fourth Proportional to 19,081.09, 28,629.87 and 9,227.80

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Solution

The fourth proportional to 19,081.09, 28,629.87 and 9,227.80 is: 13,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.09 : 28,629.87 = 9,227.80 : x
  2. Step 2: Convert to fraction form
    19,081.09/28,629.87 = 9,227.80/x
  3. Step 3: Cross multiply
    19,081.09x = 28,629.87 × 9,227.80
  4. Step 4: Simplify right side
    19,081.09x = 264,190,714.39
  5. Step 5: Solve for x
    x = 264,190,714.39/19,081.09
  6. Step 6: Final answer
    x = 13,845.68

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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.