Home / 11,808-17,712-3,600

Finding the Fourth Proportional to 11,808, 17,712 and 3,600

Calculator

Solution

The fourth proportional to 11,808, 17,712 and 3,600 is: 5,400

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808 : 17,712 = 3,600 : x
  2. Step 2: Convert to fraction form
    11,808/17,712 = 3,600/x
  3. Step 3: Cross multiply
    11,808x = 17,712 × 3,600
  4. Step 4: Simplify right side
    11,808x = 63,763,200
  5. Step 5: Solve for x
    x = 63,763,200/11,808
  6. Step 6: Final answer
    x = 5,400

Related Problems

Find fourth proportional to 5,904, 8,856 and 1,800
Half scale
Find fourth proportional to 23,616, 35,424 and 7,200
Double scale
Find fourth proportional to 11,809, 17,713.50 and 3,601
Similar ratio
Find fourth proportional to 17,712, 26,568 and 5,400
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.