Home / 14,172.45-21,226.28-6,782.10

Finding the Fourth Proportional to 14,172.45, 21,226.28 and 6,782.10

Calculator

Solution

The fourth proportional to 14,172.45, 21,226.28 and 6,782.10 is: 10,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.45 : 21,226.28 = 6,782.10 : x
  2. Step 2: Convert to fraction form
    14,172.45/21,226.28 = 6,782.10/x
  3. Step 3: Cross multiply
    14,172.45x = 21,226.28 × 6,782.10
  4. Step 4: Simplify right side
    14,172.45x = 143,958,837.43
  5. Step 5: Solve for x
    x = 143,958,837.43/14,172.45
  6. Step 6: Final answer
    x = 10,157.65

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.