Home / 18,432-27,648-6,120

Finding the Fourth Proportional to 18,432, 27,648 and 6,120

Calculator

Solution

The fourth proportional to 18,432, 27,648 and 6,120 is: 9,180

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432 : 27,648 = 6,120 : x
  2. Step 2: Convert to fraction form
    18,432/27,648 = 6,120/x
  3. Step 3: Cross multiply
    18,432x = 27,648 × 6,120
  4. Step 4: Simplify right side
    18,432x = 169,205,760
  5. Step 5: Solve for x
    x = 169,205,760/18,432
  6. Step 6: Final answer
    x = 9,180

Related Problems

Find fourth proportional to 9,216, 13,824 and 3,060
Half scale
Find fourth proportional to 36,864, 55,296 and 12,240
Double scale
Find fourth proportional to 18,433, 27,649.50 and 6,121
Similar ratio
Find fourth proportional to 27,648, 41,472 and 9,180
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.