Home / 15,333.78-23,003.91-4,945.26

Finding the Fourth Proportional to 15,333.78, 23,003.91 and 4,945.26

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Solution

The fourth proportional to 15,333.78, 23,003.91 and 4,945.26 is: 7,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,333.78 : 23,003.91 = 4,945.26 : x
  2. Step 2: Convert to fraction form
    15,333.78/23,003.91 = 4,945.26/x
  3. Step 3: Cross multiply
    15,333.78x = 23,003.91 × 4,945.26
  4. Step 4: Simplify right side
    15,333.78x = 113,760,315.97
  5. Step 5: Solve for x
    x = 113,760,315.97/15,333.78
  6. Step 6: Final answer
    x = 7,418.93

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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.