Home / 57,644-86,466-13,868

Finding the Fourth Proportional to 57,644, 86,466 and 13,868

Calculator

Solution

The fourth proportional to 57,644, 86,466 and 13,868 is: 20,802

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,644 : 86,466 = 13,868 : x
  2. Step 2: Convert to fraction form
    57,644/86,466 = 13,868/x
  3. Step 3: Cross multiply
    57,644x = 86,466 × 13,868
  4. Step 4: Simplify right side
    57,644x = 1,199,110,488
  5. Step 5: Solve for x
    x = 1,199,110,488/57,644
  6. Step 6: Final answer
    x = 20,802

Related Problems

Find fourth proportional to 28,822, 43,233 and 6,934
Half scale
Find fourth proportional to 115,288, 172,932 and 27,736
Double scale
Find fourth proportional to 57,645, 86,467.50 and 13,869
Similar ratio
Find fourth proportional to 86,466, 129,699 and 20,802
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.