Home / 19,839.24-27,367.74-11,879.10

Finding the Fourth Proportional to 19,839.24, 27,367.74 and 11,879.10

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Solution

The fourth proportional to 19,839.24, 27,367.74 and 11,879.10 is: 16,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.24 : 27,367.74 = 11,879.10 : x
  2. Step 2: Convert to fraction form
    19,839.24/27,367.74 = 11,879.10/x
  3. Step 3: Cross multiply
    19,839.24x = 27,367.74 × 11,879.10
  4. Step 4: Simplify right side
    19,839.24x = 325,104,120.23
  5. Step 5: Solve for x
    x = 325,104,120.23/19,839.24
  6. Step 6: Final answer
    x = 16,386.92

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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.