Home / 18,427.68-27,586.44-11,289.44

Finding the Fourth Proportional to 18,427.68, 27,586.44 and 11,289.44

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Solution

The fourth proportional to 18,427.68, 27,586.44 and 11,289.44 is: 16,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.68 : 27,586.44 = 11,289.44 : x
  2. Step 2: Convert to fraction form
    18,427.68/27,586.44 = 11,289.44/x
  3. Step 3: Cross multiply
    18,427.68x = 27,586.44 × 11,289.44
  4. Step 4: Simplify right side
    18,427.68x = 311,435,321.26
  5. Step 5: Solve for x
    x = 311,435,321.26/18,427.68
  6. Step 6: Final answer
    x = 16,900.41

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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.