Home / 30,144-45,216-11,676

Finding the Fourth Proportional to 30,144, 45,216 and 11,676

Calculator

Solution

The fourth proportional to 30,144, 45,216 and 11,676 is: 17,514

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144 : 45,216 = 11,676 : x
  2. Step 2: Convert to fraction form
    30,144/45,216 = 11,676/x
  3. Step 3: Cross multiply
    30,144x = 45,216 × 11,676
  4. Step 4: Simplify right side
    30,144x = 527,942,016
  5. Step 5: Solve for x
    x = 527,942,016/30,144
  6. Step 6: Final answer
    x = 17,514

Related Problems

Find fourth proportional to 15,072, 22,608 and 5,838
Half scale
Find fourth proportional to 60,288, 90,432 and 23,352
Double scale
Find fourth proportional to 30,145, 45,217.50 and 11,677
Similar ratio
Find fourth proportional to 45,216, 67,824 and 17,514
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.