Home / 13,379.97-18,464.88-7,411.52

Finding the Fourth Proportional to 13,379.97, 18,464.88 and 7,411.52

Calculator

Solution

The fourth proportional to 13,379.97, 18,464.88 and 7,411.52 is: 10,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.97 : 18,464.88 = 7,411.52 : x
  2. Step 2: Convert to fraction form
    13,379.97/18,464.88 = 7,411.52/x
  3. Step 3: Cross multiply
    13,379.97x = 18,464.88 × 7,411.52
  4. Step 4: Simplify right side
    13,379.97x = 136,852,901.37
  5. Step 5: Solve for x
    x = 136,852,901.37/13,379.97
  6. Step 6: Final answer
    x = 10,228.19

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.