Home / 12,328-18,492-4,120

Finding the Fourth Proportional to 12,328, 18,492 and 4,120

Calculator

Solution

The fourth proportional to 12,328, 18,492 and 4,120 is: 6,180

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328 : 18,492 = 4,120 : x
  2. Step 2: Convert to fraction form
    12,328/18,492 = 4,120/x
  3. Step 3: Cross multiply
    12,328x = 18,492 × 4,120
  4. Step 4: Simplify right side
    12,328x = 76,187,040
  5. Step 5: Solve for x
    x = 76,187,040/12,328
  6. Step 6: Final answer
    x = 6,180

Related Problems

Find fourth proportional to 6,164, 9,246 and 2,060
Half scale
Find fourth proportional to 24,656, 36,984 and 8,240
Double scale
Find fourth proportional to 12,329, 18,493.50 and 4,121
Similar ratio
Find fourth proportional to 18,492, 27,738 and 6,180
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.