Home / 12,972.56-19,457.01-4,207.55

Finding the Fourth Proportional to 12,972.56, 19,457.01 and 4,207.55

Calculator

Solution

The fourth proportional to 12,972.56, 19,457.01 and 4,207.55 is: 6,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,972.56 : 19,457.01 = 4,207.55 : x
  2. Step 2: Convert to fraction form
    12,972.56/19,457.01 = 4,207.55/x
  3. Step 3: Cross multiply
    12,972.56x = 19,457.01 × 4,207.55
  4. Step 4: Simplify right side
    12,972.56x = 81,866,245.14
  5. Step 5: Solve for x
    x = 81,866,245.14/12,972.56
  6. Step 6: Final answer
    x = 6,310.73

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.