Home / 15,860-23,790-4,916

Finding the Fourth Proportional to 15,860, 23,790 and 4,916

Calculator

Solution

The fourth proportional to 15,860, 23,790 and 4,916 is: 7,374

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860 : 23,790 = 4,916 : x
  2. Step 2: Convert to fraction form
    15,860/23,790 = 4,916/x
  3. Step 3: Cross multiply
    15,860x = 23,790 × 4,916
  4. Step 4: Simplify right side
    15,860x = 116,951,640
  5. Step 5: Solve for x
    x = 116,951,640/15,860
  6. Step 6: Final answer
    x = 7,374

Related Problems

Find fourth proportional to 7,930, 11,895 and 2,458
Half scale
Find fourth proportional to 31,720, 47,580 and 9,832
Double scale
Find fourth proportional to 15,861, 23,791.50 and 4,917
Similar ratio
Find fourth proportional to 23,790, 35,685 and 7,374
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.