Home / 10,008.75-15,013.94-3,083.25

Finding the Fourth Proportional to 10,008.75, 15,013.94 and 3,083.25

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Solution

The fourth proportional to 10,008.75, 15,013.94 and 3,083.25 is: 4,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.75 : 15,013.94 = 3,083.25 : x
  2. Step 2: Convert to fraction form
    10,008.75/15,013.94 = 3,083.25/x
  3. Step 3: Cross multiply
    10,008.75x = 15,013.94 × 3,083.25
  4. Step 4: Simplify right side
    10,008.75x = 46,291,715.09
  5. Step 5: Solve for x
    x = 46,291,715.09/10,008.75
  6. Step 6: Final answer
    x = 4,625.12

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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.