Home / 13,804-15,820

Finding the Third Proportional to 13,804 and 15,820

Calculator

Solution

The third proportional to 13,804 and 15,820 is: 18,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804 : 15,820 = 15,820 : x
  2. Step 2: Convert to fraction form
    13,804/15,820 = 15,820/x
  3. Step 3: Cross multiply
    13,804x = 15,820 × 15,820
  4. Step 4: Simplify right side
    13,804x = 250,272,400
  5. Step 5: Solve for x
    x = 250,272,400/13,804
  6. Step 6: Final answer
    x = 18,130.43

Related Problems

Find third proportional to 6,902 and 7,910
Half scale
Find third proportional to 27,608 and 31,640
Double scale
Find third proportional to 13,806 and 15,822
Similar ratio
Find third proportional to 20,706 and 23,730
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.