Home / 13,900-19,182-8,012

Finding the Fourth Proportional to 13,900, 19,182 and 8,012

Calculator

Solution

The fourth proportional to 13,900, 19,182 and 8,012 is: 11,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900 : 19,182 = 8,012 : x
  2. Step 2: Convert to fraction form
    13,900/19,182 = 8,012/x
  3. Step 3: Cross multiply
    13,900x = 19,182 × 8,012
  4. Step 4: Simplify right side
    13,900x = 153,686,184
  5. Step 5: Solve for x
    x = 153,686,184/13,900
  6. Step 6: Final answer
    x = 11,056.56

Related Problems

Find fourth proportional to 6,950, 9,591 and 4,006
Half scale
Find fourth proportional to 27,800, 38,364 and 16,024
Double scale
Find fourth proportional to 13,901, 19,183.38 and 8,013
Similar ratio
Find fourth proportional to 20,850, 28,773 and 12,018
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.