Home / 35,748-53,622-13,860

Finding the Fourth Proportional to 35,748, 53,622 and 13,860

Calculator

Solution

The fourth proportional to 35,748, 53,622 and 13,860 is: 20,790

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,748 : 53,622 = 13,860 : x
  2. Step 2: Convert to fraction form
    35,748/53,622 = 13,860/x
  3. Step 3: Cross multiply
    35,748x = 53,622 × 13,860
  4. Step 4: Simplify right side
    35,748x = 743,200,920
  5. Step 5: Solve for x
    x = 743,200,920/35,748
  6. Step 6: Final answer
    x = 20,790

Related Problems

Find fourth proportional to 17,874, 26,811 and 6,930
Half scale
Find fourth proportional to 71,496, 107,244 and 27,720
Double scale
Find fourth proportional to 35,749, 53,623.50 and 13,861
Similar ratio
Find fourth proportional to 53,622, 80,433 and 20,790
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.