Home / 13,344.74-20,019.97-3,985.50

Finding the Fourth Proportional to 13,344.74, 20,019.97 and 3,985.50

Calculator

Solution

The fourth proportional to 13,344.74, 20,019.97 and 3,985.50 is: 5,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.74 : 20,019.97 = 3,985.50 : x
  2. Step 2: Convert to fraction form
    13,344.74/20,019.97 = 3,985.50/x
  3. Step 3: Cross multiply
    13,344.74x = 20,019.97 × 3,985.50
  4. Step 4: Simplify right side
    13,344.74x = 79,789,590.44
  5. Step 5: Solve for x
    x = 79,789,590.44/13,344.74
  6. Step 6: Final answer
    x = 5,979.10

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.