Home / 11,126-15,429

Finding the Third Proportional to 11,126 and 15,429

Calculator

Solution

The third proportional to 11,126 and 15,429 is: 21,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126 : 15,429 = 15,429 : x
  2. Step 2: Convert to fraction form
    11,126/15,429 = 15,429/x
  3. Step 3: Cross multiply
    11,126x = 15,429 × 15,429
  4. Step 4: Simplify right side
    11,126x = 238,054,041
  5. Step 5: Solve for x
    x = 238,054,041/11,126
  6. Step 6: Final answer
    x = 21,396.19

Related Problems

Find third proportional to 5,563 and 7,714.50
Half scale
Find third proportional to 22,252 and 30,858
Double scale
Find third proportional to 11,128 and 15,432
Similar ratio
Find third proportional to 16,689 and 23,143.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.