Home / 10,101.78-15,153.53-3,083.37

Finding the Fourth Proportional to 10,101.78, 15,153.53 and 3,083.37

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Solution

The fourth proportional to 10,101.78, 15,153.53 and 3,083.37 is: 4,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.78 : 15,153.53 = 3,083.37 : x
  2. Step 2: Convert to fraction form
    10,101.78/15,153.53 = 3,083.37/x
  3. Step 3: Cross multiply
    10,101.78x = 15,153.53 × 3,083.37
  4. Step 4: Simplify right side
    10,101.78x = 46,723,939.80
  5. Step 5: Solve for x
    x = 46,723,939.80/10,101.78
  6. Step 6: Final answer
    x = 4,625.32

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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.