Home / 13,112.34-19,661.22-4,342.47

Finding the Fourth Proportional to 13,112.34, 19,661.22 and 4,342.47

Calculator

Solution

The fourth proportional to 13,112.34, 19,661.22 and 4,342.47 is: 6,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.34 : 19,661.22 = 4,342.47 : x
  2. Step 2: Convert to fraction form
    13,112.34/19,661.22 = 4,342.47/x
  3. Step 3: Cross multiply
    13,112.34x = 19,661.22 × 4,342.47
  4. Step 4: Simplify right side
    13,112.34x = 85,378,258.01
  5. Step 5: Solve for x
    x = 85,378,258.01/13,112.34
  6. Step 6: Final answer
    x = 6,511.29

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.