Home / 17,321.04-25,981.20-6,930

Finding the Fourth Proportional to 17,321.04, 25,981.20 and 6,930

Calculator

Solution

The fourth proportional to 17,321.04, 25,981.20 and 6,930 is: 10,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,321.04 : 25,981.20 = 6,930 : x
  2. Step 2: Convert to fraction form
    17,321.04/25,981.20 = 6,930/x
  3. Step 3: Cross multiply
    17,321.04x = 25,981.20 × 6,930
  4. Step 4: Simplify right side
    17,321.04x = 180,049,716
  5. Step 5: Solve for x
    x = 180,049,716/17,321.04
  6. Step 6: Final answer
    x = 10,394.86

Related Problems

Find fourth proportional to 8,660.52, 12,990.60 and 3,465
Half scale
Find fourth proportional to 34,642.08, 51,962.40 and 13,860
Double scale
Find fourth proportional to 17,322.04, 25,982.70 and 6,931
Similar ratio
Find fourth proportional to 25,981.56, 38,971.80 and 10,395
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.