Home / 18,040.39-24,879.61-11,326.64

Finding the Fourth Proportional to 18,040.39, 24,879.61 and 11,326.64

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Solution

The fourth proportional to 18,040.39, 24,879.61 and 11,326.64 is: 15,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.39 : 24,879.61 = 11,326.64 : x
  2. Step 2: Convert to fraction form
    18,040.39/24,879.61 = 11,326.64/x
  3. Step 3: Cross multiply
    18,040.39x = 24,879.61 × 11,326.64
  4. Step 4: Simplify right side
    18,040.39x = 281,802,329.18
  5. Step 5: Solve for x
    x = 281,802,329.18/18,040.39
  6. Step 6: Final answer
    x = 15,620.64

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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.