Home / 18,595.26-27,900-11,205

Finding the Fourth Proportional to 18,595.26, 27,900 and 11,205

Calculator

Solution

The fourth proportional to 18,595.26, 27,900 and 11,205 is: 16,811.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.26 : 27,900 = 11,205 : x
  2. Step 2: Convert to fraction form
    18,595.26/27,900 = 11,205/x
  3. Step 3: Cross multiply
    18,595.26x = 27,900 × 11,205
  4. Step 4: Simplify right side
    18,595.26x = 312,619,500
  5. Step 5: Solve for x
    x = 312,619,500/18,595.26
  6. Step 6: Final answer
    x = 16,811.78

Related Problems

Find fourth proportional to 9,297.63, 13,950 and 5,602.50
Half scale
Find fourth proportional to 37,190.52, 55,800 and 22,410
Double scale
Find fourth proportional to 18,596.26, 27,901.50 and 11,206
Similar ratio
Find fourth proportional to 27,892.89, 41,850 and 16,807.50
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.