Home / 66,122-99,183-16,874

Finding the Fourth Proportional to 66,122, 99,183 and 16,874

Calculator

Solution

The fourth proportional to 66,122, 99,183 and 16,874 is: 25,311

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,122 : 99,183 = 16,874 : x
  2. Step 2: Convert to fraction form
    66,122/99,183 = 16,874/x
  3. Step 3: Cross multiply
    66,122x = 99,183 × 16,874
  4. Step 4: Simplify right side
    66,122x = 1,673,613,942
  5. Step 5: Solve for x
    x = 1,673,613,942/66,122
  6. Step 6: Final answer
    x = 25,311

Related Problems

Find fourth proportional to 33,061, 49,591.50 and 8,437
Half scale
Find fourth proportional to 132,244, 198,366 and 33,748
Double scale
Find fourth proportional to 66,123, 99,184.50 and 16,875
Similar ratio
Find fourth proportional to 99,183, 148,774.50 and 25,311
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.