Home / 12,012-18,018-3,804

Finding the Fourth Proportional to 12,012, 18,018 and 3,804

Calculator

Solution

The fourth proportional to 12,012, 18,018 and 3,804 is: 5,706

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012 : 18,018 = 3,804 : x
  2. Step 2: Convert to fraction form
    12,012/18,018 = 3,804/x
  3. Step 3: Cross multiply
    12,012x = 18,018 × 3,804
  4. Step 4: Simplify right side
    12,012x = 68,540,472
  5. Step 5: Solve for x
    x = 68,540,472/12,012
  6. Step 6: Final answer
    x = 5,706

Related Problems

Find fourth proportional to 6,006, 9,009 and 1,902
Half scale
Find fourth proportional to 24,024, 36,036 and 7,608
Double scale
Find fourth proportional to 12,013, 18,019.50 and 3,805
Similar ratio
Find fourth proportional to 18,018, 27,027 and 5,706
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.