Home / 12,558-18,837-4,350

Finding the Fourth Proportional to 12,558, 18,837 and 4,350

Calculator

Solution

The fourth proportional to 12,558, 18,837 and 4,350 is: 6,525

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558 : 18,837 = 4,350 : x
  2. Step 2: Convert to fraction form
    12,558/18,837 = 4,350/x
  3. Step 3: Cross multiply
    12,558x = 18,837 × 4,350
  4. Step 4: Simplify right side
    12,558x = 81,940,950
  5. Step 5: Solve for x
    x = 81,940,950/12,558
  6. Step 6: Final answer
    x = 6,525

Related Problems

Find fourth proportional to 6,279, 9,418.50 and 2,175
Half scale
Find fourth proportional to 25,116, 37,674 and 8,700
Double scale
Find fourth proportional to 12,559, 18,838.50 and 4,351
Similar ratio
Find fourth proportional to 18,837, 28,255.50 and 6,525
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.