Home / 13,276.78-18,321.96-7,308.41

Finding the Fourth Proportional to 13,276.78, 18,321.96 and 7,308.41

Calculator

Solution

The fourth proportional to 13,276.78, 18,321.96 and 7,308.41 is: 10,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.78 : 18,321.96 = 7,308.41 : x
  2. Step 2: Convert to fraction form
    13,276.78/18,321.96 = 7,308.41/x
  3. Step 3: Cross multiply
    13,276.78x = 18,321.96 × 7,308.41
  4. Step 4: Simplify right side
    13,276.78x = 133,904,326.41
  5. Step 5: Solve for x
    x = 133,904,326.41/13,276.78
  6. Step 6: Final answer
    x = 10,085.60

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.