Home / 20,530.88-30,796.32-8,216

Finding the Fourth Proportional to 20,530.88, 30,796.32 and 8,216

Calculator

Solution

The fourth proportional to 20,530.88, 30,796.32 and 8,216 is: 12,324

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,530.88 : 30,796.32 = 8,216 : x
  2. Step 2: Convert to fraction form
    20,530.88/30,796.32 = 8,216/x
  3. Step 3: Cross multiply
    20,530.88x = 30,796.32 × 8,216
  4. Step 4: Simplify right side
    20,530.88x = 253,022,565.12
  5. Step 5: Solve for x
    x = 253,022,565.12/20,530.88
  6. Step 6: Final answer
    x = 12,324

Related Problems

Find fourth proportional to 10,265.44, 15,398.16 and 4,108
Half scale
Find fourth proportional to 41,061.76, 61,592.64 and 16,432
Double scale
Find fourth proportional to 20,531.88, 30,797.82 and 8,217
Similar ratio
Find fourth proportional to 30,796.32, 46,194.48 and 12,324
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.