Home / 18,163.95-27,247.68-7,071.54

Finding the Fourth Proportional to 18,163.95, 27,247.68 and 7,071.54

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Solution

The fourth proportional to 18,163.95, 27,247.68 and 7,071.54 is: 10,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.95 : 27,247.68 = 7,071.54 : x
  2. Step 2: Convert to fraction form
    18,163.95/27,247.68 = 7,071.54/x
  3. Step 3: Cross multiply
    18,163.95x = 27,247.68 × 7,071.54
  4. Step 4: Simplify right side
    18,163.95x = 192,683,059.03
  5. Step 5: Solve for x
    x = 192,683,059.03/18,163.95
  6. Step 6: Final answer
    x = 10,607.99

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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.