Home / 19,879.08-27,433.56-10,804.80

Finding the Fourth Proportional to 19,879.08, 27,433.56 and 10,804.80

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Solution

The fourth proportional to 19,879.08, 27,433.56 and 10,804.80 is: 14,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879.08 : 27,433.56 = 10,804.80 : x
  2. Step 2: Convert to fraction form
    19,879.08/27,433.56 = 10,804.80/x
  3. Step 3: Cross multiply
    19,879.08x = 27,433.56 × 10,804.80
  4. Step 4: Simplify right side
    19,879.08x = 296,414,129.09
  5. Step 5: Solve for x
    x = 296,414,129.09/19,879.08
  6. Step 6: Final answer
    x = 14,910.86

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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.