Home / 11,178-16,767-2,970

Finding the Fourth Proportional to 11,178, 16,767 and 2,970

Calculator

Solution

The fourth proportional to 11,178, 16,767 and 2,970 is: 4,455

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178 : 16,767 = 2,970 : x
  2. Step 2: Convert to fraction form
    11,178/16,767 = 2,970/x
  3. Step 3: Cross multiply
    11,178x = 16,767 × 2,970
  4. Step 4: Simplify right side
    11,178x = 49,797,990
  5. Step 5: Solve for x
    x = 49,797,990/11,178
  6. Step 6: Final answer
    x = 4,455

Related Problems

Find fourth proportional to 5,589, 8,383.50 and 1,485
Half scale
Find fourth proportional to 22,356, 33,534 and 5,940
Double scale
Find fourth proportional to 11,179, 16,768.50 and 2,971
Similar ratio
Find fourth proportional to 16,767, 25,150.50 and 4,455
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.