Home / 57,771-86,656.50-16,218

Finding the Fourth Proportional to 57,771, 86,656.50 and 16,218

Calculator

Solution

The fourth proportional to 57,771, 86,656.50 and 16,218 is: 24,327

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,771 : 86,656.50 = 16,218 : x
  2. Step 2: Convert to fraction form
    57,771/86,656.50 = 16,218/x
  3. Step 3: Cross multiply
    57,771x = 86,656.50 × 16,218
  4. Step 4: Simplify right side
    57,771x = 1,405,395,117
  5. Step 5: Solve for x
    x = 1,405,395,117/57,771
  6. Step 6: Final answer
    x = 24,327

Related Problems

Find fourth proportional to 28,885.50, 43,328.25 and 8,109
Half scale
Find fourth proportional to 115,542, 173,313 and 32,436
Double scale
Find fourth proportional to 57,772, 86,658 and 16,219
Similar ratio
Find fourth proportional to 86,656.50, 129,984.75 and 24,327
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.