Home / 21,919.64-32,870.76-9,440.60

Finding the Fourth Proportional to 21,919.64, 32,870.76 and 9,440.60

Calculator

Solution

The fourth proportional to 21,919.64, 32,870.76 and 9,440.60 is: 14,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919.64 : 32,870.76 = 9,440.60 : x
  2. Step 2: Convert to fraction form
    21,919.64/32,870.76 = 9,440.60/x
  3. Step 3: Cross multiply
    21,919.64x = 32,870.76 × 9,440.60
  4. Step 4: Simplify right side
    21,919.64x = 310,319,696.86
  5. Step 5: Solve for x
    x = 310,319,696.86/21,919.64
  6. Step 6: Final answer
    x = 14,157.15

Related Problems

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.