Home / 11,124.36-15,351.24-6,647.07

Finding the Fourth Proportional to 11,124.36, 15,351.24 and 6,647.07

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Solution

The fourth proportional to 11,124.36, 15,351.24 and 6,647.07 is: 9,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.36 : 15,351.24 = 6,647.07 : x
  2. Step 2: Convert to fraction form
    11,124.36/15,351.24 = 6,647.07/x
  3. Step 3: Cross multiply
    11,124.36x = 15,351.24 × 6,647.07
  4. Step 4: Simplify right side
    11,124.36x = 102,040,766.87
  5. Step 5: Solve for x
    x = 102,040,766.87/11,124.36
  6. Step 6: Final answer
    x = 9,172.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.