Home / 11,647.12-16,073.37-6,611.24

Finding the Fourth Proportional to 11,647.12, 16,073.37 and 6,611.24

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Solution

The fourth proportional to 11,647.12, 16,073.37 and 6,611.24 is: 9,123.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.12 : 16,073.37 = 6,611.24 : x
  2. Step 2: Convert to fraction form
    11,647.12/16,073.37 = 6,611.24/x
  3. Step 3: Cross multiply
    11,647.12x = 16,073.37 × 6,611.24
  4. Step 4: Simplify right side
    11,647.12x = 106,264,906.68
  5. Step 5: Solve for x
    x = 106,264,906.68/11,647.12
  6. Step 6: Final answer
    x = 9,123.71

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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.