Home / 19,385.12-29,074.56-5,530.88

Finding the Fourth Proportional to 19,385.12, 29,074.56 and 5,530.88

Calculator

Solution

The fourth proportional to 19,385.12, 29,074.56 and 5,530.88 is: 8,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.12 : 29,074.56 = 5,530.88 : x
  2. Step 2: Convert to fraction form
    19,385.12/29,074.56 = 5,530.88/x
  3. Step 3: Cross multiply
    19,385.12x = 29,074.56 × 5,530.88
  4. Step 4: Simplify right side
    19,385.12x = 160,807,902.41
  5. Step 5: Solve for x
    x = 160,807,902.41/19,385.12
  6. Step 6: Final answer
    x = 8,295.43

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.