Home / 9,036-13,554-2,880

Finding the Fourth Proportional to 9,036, 13,554 and 2,880

Calculator

Solution

The fourth proportional to 9,036, 13,554 and 2,880 is: 4,320

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036 : 13,554 = 2,880 : x
  2. Step 2: Convert to fraction form
    9,036/13,554 = 2,880/x
  3. Step 3: Cross multiply
    9,036x = 13,554 × 2,880
  4. Step 4: Simplify right side
    9,036x = 39,035,520
  5. Step 5: Solve for x
    x = 39,035,520/9,036
  6. Step 6: Final answer
    x = 4,320

Related Problems

Find fourth proportional to 4,518, 6,777 and 1,440
Half scale
Find fourth proportional to 18,072, 27,108 and 5,760
Double scale
Find fourth proportional to 9,037, 13,555.50 and 2,881
Similar ratio
Find fourth proportional to 13,554, 20,331 and 4,320
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.