Home / 30,264-45,396-8,376

Finding the Fourth Proportional to 30,264, 45,396 and 8,376

Calculator

Solution

The fourth proportional to 30,264, 45,396 and 8,376 is: 12,564

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,264 : 45,396 = 8,376 : x
  2. Step 2: Convert to fraction form
    30,264/45,396 = 8,376/x
  3. Step 3: Cross multiply
    30,264x = 45,396 × 8,376
  4. Step 4: Simplify right side
    30,264x = 380,236,896
  5. Step 5: Solve for x
    x = 380,236,896/30,264
  6. Step 6: Final answer
    x = 12,564

Related Problems

Find fourth proportional to 15,132, 22,698 and 4,188
Half scale
Find fourth proportional to 60,528, 90,792 and 16,752
Double scale
Find fourth proportional to 30,265, 45,397.50 and 8,377
Similar ratio
Find fourth proportional to 45,396, 68,094 and 12,564
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.