Home / 10,418.35-15,623.73-3,021.28

Finding the Fourth Proportional to 10,418.35, 15,623.73 and 3,021.28

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Solution

The fourth proportional to 10,418.35, 15,623.73 and 3,021.28 is: 4,530.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.35 : 15,623.73 = 3,021.28 : x
  2. Step 2: Convert to fraction form
    10,418.35/15,623.73 = 3,021.28/x
  3. Step 3: Cross multiply
    10,418.35x = 15,623.73 × 3,021.28
  4. Step 4: Simplify right side
    10,418.35x = 47,203,662.97
  5. Step 5: Solve for x
    x = 47,203,662.97/10,418.35
  6. Step 6: Final answer
    x = 4,530.82

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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.