Home / 13,494-20,241-4,260

Finding the Fourth Proportional to 13,494, 20,241 and 4,260

Calculator

Solution

The fourth proportional to 13,494, 20,241 and 4,260 is: 6,390

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494 : 20,241 = 4,260 : x
  2. Step 2: Convert to fraction form
    13,494/20,241 = 4,260/x
  3. Step 3: Cross multiply
    13,494x = 20,241 × 4,260
  4. Step 4: Simplify right side
    13,494x = 86,226,660
  5. Step 5: Solve for x
    x = 86,226,660/13,494
  6. Step 6: Final answer
    x = 6,390

Related Problems

Find fourth proportional to 6,747, 10,120.50 and 2,130
Half scale
Find fourth proportional to 26,988, 40,482 and 8,520
Double scale
Find fourth proportional to 13,495, 20,242.50 and 4,261
Similar ratio
Find fourth proportional to 20,241, 30,361.50 and 6,390
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.