Home / 20,166-30,249-5,574

Finding the Fourth Proportional to 20,166, 30,249 and 5,574

Calculator

Solution

The fourth proportional to 20,166, 30,249 and 5,574 is: 8,361

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166 : 30,249 = 5,574 : x
  2. Step 2: Convert to fraction form
    20,166/30,249 = 5,574/x
  3. Step 3: Cross multiply
    20,166x = 30,249 × 5,574
  4. Step 4: Simplify right side
    20,166x = 168,607,926
  5. Step 5: Solve for x
    x = 168,607,926/20,166
  6. Step 6: Final answer
    x = 8,361

Related Problems

Find fourth proportional to 10,083, 15,124.50 and 2,787
Half scale
Find fourth proportional to 40,332, 60,498 and 11,148
Double scale
Find fourth proportional to 20,167, 30,250.50 and 5,575
Similar ratio
Find fourth proportional to 30,249, 45,373.50 and 8,361
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.