Home / 57,744-86,616-13,968

Finding the Fourth Proportional to 57,744, 86,616 and 13,968

Calculator

Solution

The fourth proportional to 57,744, 86,616 and 13,968 is: 20,952

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,744 : 86,616 = 13,968 : x
  2. Step 2: Convert to fraction form
    57,744/86,616 = 13,968/x
  3. Step 3: Cross multiply
    57,744x = 86,616 × 13,968
  4. Step 4: Simplify right side
    57,744x = 1,209,852,288
  5. Step 5: Solve for x
    x = 1,209,852,288/57,744
  6. Step 6: Final answer
    x = 20,952

Related Problems

Find fourth proportional to 28,872, 43,308 and 6,984
Half scale
Find fourth proportional to 115,488, 173,232 and 27,936
Double scale
Find fourth proportional to 57,745, 86,617.50 and 13,969
Similar ratio
Find fourth proportional to 86,616, 129,924 and 20,952
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.