Home / 10,083.36-15,125.04-4,163.60

Finding the Fourth Proportional to 10,083.36, 15,125.04 and 4,163.60

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Solution

The fourth proportional to 10,083.36, 15,125.04 and 4,163.60 is: 6,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.36 : 15,125.04 = 4,163.60 : x
  2. Step 2: Convert to fraction form
    10,083.36/15,125.04 = 4,163.60/x
  3. Step 3: Cross multiply
    10,083.36x = 15,125.04 × 4,163.60
  4. Step 4: Simplify right side
    10,083.36x = 62,974,569.28
  5. Step 5: Solve for x
    x = 62,974,569.28/10,083.36
  6. Step 6: Final answer
    x = 6,245.39

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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.