Home / 19,800-27,324-10,968

Finding the Fourth Proportional to 19,800, 27,324 and 10,968

Calculator

Solution

The fourth proportional to 19,800, 27,324 and 10,968 is: 15,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,800 : 27,324 = 10,968 : x
  2. Step 2: Convert to fraction form
    19,800/27,324 = 10,968/x
  3. Step 3: Cross multiply
    19,800x = 27,324 × 10,968
  4. Step 4: Simplify right side
    19,800x = 299,689,632
  5. Step 5: Solve for x
    x = 299,689,632/19,800
  6. Step 6: Final answer
    x = 15,135.84

Related Problems

Find fourth proportional to 9,900, 13,662 and 5,484
Half scale
Find fourth proportional to 39,600, 54,648 and 21,936
Double scale
Find fourth proportional to 19,801, 27,325.38 and 10,969
Similar ratio
Find fourth proportional to 29,700, 40,986 and 16,452
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.