Home / 18,286-27,429-5,974

Finding the Fourth Proportional to 18,286, 27,429 and 5,974

Calculator

Solution

The fourth proportional to 18,286, 27,429 and 5,974 is: 8,961

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286 : 27,429 = 5,974 : x
  2. Step 2: Convert to fraction form
    18,286/27,429 = 5,974/x
  3. Step 3: Cross multiply
    18,286x = 27,429 × 5,974
  4. Step 4: Simplify right side
    18,286x = 163,860,846
  5. Step 5: Solve for x
    x = 163,860,846/18,286
  6. Step 6: Final answer
    x = 8,961

Related Problems

Find fourth proportional to 9,143, 13,714.50 and 2,987
Half scale
Find fourth proportional to 36,572, 54,858 and 11,948
Double scale
Find fourth proportional to 18,287, 27,430.50 and 5,975
Similar ratio
Find fourth proportional to 27,429, 41,143.50 and 8,961
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.