Home / 18,040.22-24,879.40-11,326.48

Finding the Fourth Proportional to 18,040.22, 24,879.40 and 11,326.48

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Solution

The fourth proportional to 18,040.22, 24,879.40 and 11,326.48 is: 15,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.22 : 24,879.40 = 11,326.48 : x
  2. Step 2: Convert to fraction form
    18,040.22/24,879.40 = 11,326.48/x
  3. Step 3: Cross multiply
    18,040.22x = 24,879.40 × 11,326.48
  4. Step 4: Simplify right side
    18,040.22x = 281,796,026.51
  5. Step 5: Solve for x
    x = 281,796,026.51/18,040.22
  6. Step 6: Final answer
    x = 15,620.43

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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.