Home / 11,823.33-17,740.62-7,379.79

Finding the Fourth Proportional to 11,823.33, 17,740.62 and 7,379.79

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Solution

The fourth proportional to 11,823.33, 17,740.62 and 7,379.79 is: 11,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.33 : 17,740.62 = 7,379.79 : x
  2. Step 2: Convert to fraction form
    11,823.33/17,740.62 = 7,379.79/x
  3. Step 3: Cross multiply
    11,823.33x = 17,740.62 × 7,379.79
  4. Step 4: Simplify right side
    11,823.33x = 130,922,050.07
  5. Step 5: Solve for x
    x = 130,922,050.07/11,823.33
  6. Step 6: Final answer
    x = 11,073.20

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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.