Home / 15,058.35-20,778.93-8,343.81

Finding the Fourth Proportional to 15,058.35, 20,778.93 and 8,343.81

Calculator

Solution

The fourth proportional to 15,058.35, 20,778.93 and 8,343.81 is: 11,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058.35 : 20,778.93 = 8,343.81 : x
  2. Step 2: Convert to fraction form
    15,058.35/20,778.93 = 8,343.81/x
  3. Step 3: Cross multiply
    15,058.35x = 20,778.93 × 8,343.81
  4. Step 4: Simplify right side
    15,058.35x = 173,375,443.92
  5. Step 5: Solve for x
    x = 173,375,443.92/15,058.35
  6. Step 6: Final answer
    x = 11,513.58

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.