Home / 10,138.82-15,201.07-3,893.57

Finding the Fourth Proportional to 10,138.82, 15,201.07 and 3,893.57

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Solution

The fourth proportional to 10,138.82, 15,201.07 and 3,893.57 is: 5,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.82 : 15,201.07 = 3,893.57 : x
  2. Step 2: Convert to fraction form
    10,138.82/15,201.07 = 3,893.57/x
  3. Step 3: Cross multiply
    10,138.82x = 15,201.07 × 3,893.57
  4. Step 4: Simplify right side
    10,138.82x = 59,186,401.38
  5. Step 5: Solve for x
    x = 59,186,401.38/10,138.82
  6. Step 6: Final answer
    x = 5,837.60

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1.5x scale

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.