Home / 57,891-86,836.50-16,338

Finding the Fourth Proportional to 57,891, 86,836.50 and 16,338

Calculator

Solution

The fourth proportional to 57,891, 86,836.50 and 16,338 is: 24,507

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,891 : 86,836.50 = 16,338 : x
  2. Step 2: Convert to fraction form
    57,891/86,836.50 = 16,338/x
  3. Step 3: Cross multiply
    57,891x = 86,836.50 × 16,338
  4. Step 4: Simplify right side
    57,891x = 1,418,734,737
  5. Step 5: Solve for x
    x = 1,418,734,737/57,891
  6. Step 6: Final answer
    x = 24,507

Related Problems

Find fourth proportional to 28,945.50, 43,418.25 and 8,169
Half scale
Find fourth proportional to 115,782, 173,673 and 32,676
Double scale
Find fourth proportional to 57,892, 86,838 and 16,339
Similar ratio
Find fourth proportional to 86,836.50, 130,254.75 and 24,507
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.