Home / 10,320-15,480-3,024

Finding the Fourth Proportional to 10,320, 15,480 and 3,024

Calculator

Solution

The fourth proportional to 10,320, 15,480 and 3,024 is: 4,536

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320 : 15,480 = 3,024 : x
  2. Step 2: Convert to fraction form
    10,320/15,480 = 3,024/x
  3. Step 3: Cross multiply
    10,320x = 15,480 × 3,024
  4. Step 4: Simplify right side
    10,320x = 46,811,520
  5. Step 5: Solve for x
    x = 46,811,520/10,320
  6. Step 6: Final answer
    x = 4,536

Related Problems

Find fourth proportional to 5,160, 7,740 and 1,512
Half scale
Find fourth proportional to 20,640, 30,960 and 6,048
Double scale
Find fourth proportional to 10,321, 15,481.50 and 3,025
Similar ratio
Find fourth proportional to 15,480, 23,220 and 4,536
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.