Home / 23,136-31,932-13,200

Finding the Fourth Proportional to 23,136, 31,932 and 13,200

Calculator

Solution

The fourth proportional to 23,136, 31,932 and 13,200 is: 18,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136 : 31,932 = 13,200 : x
  2. Step 2: Convert to fraction form
    23,136/31,932 = 13,200/x
  3. Step 3: Cross multiply
    23,136x = 31,932 × 13,200
  4. Step 4: Simplify right side
    23,136x = 421,502,400
  5. Step 5: Solve for x
    x = 421,502,400/23,136
  6. Step 6: Final answer
    x = 18,218.46

Related Problems

Find fourth proportional to 11,568, 15,966 and 6,600
Half scale
Find fourth proportional to 46,272, 63,864 and 26,400
Double scale
Find fourth proportional to 23,137, 31,933.38 and 13,201
Similar ratio
Find fourth proportional to 34,704, 47,898 and 19,800
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.