Home / 12,191.94-18,295.44-4,795.14

Finding the Fourth Proportional to 12,191.94, 18,295.44 and 4,795.14

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Solution

The fourth proportional to 12,191.94, 18,295.44 and 4,795.14 is: 7,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191.94 : 18,295.44 = 4,795.14 : x
  2. Step 2: Convert to fraction form
    12,191.94/18,295.44 = 4,795.14/x
  3. Step 3: Cross multiply
    12,191.94x = 18,295.44 × 4,795.14
  4. Step 4: Simplify right side
    12,191.94x = 87,729,196.16
  5. Step 5: Solve for x
    x = 87,729,196.16/12,191.94
  6. Step 6: Final answer
    x = 7,195.67

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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.