Home / 13,778.36-18,996.03-9,946.77

Finding the Fourth Proportional to 13,778.36, 18,996.03 and 9,946.77

Calculator

Solution

The fourth proportional to 13,778.36, 18,996.03 and 9,946.77 is: 13,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,778.36 : 18,996.03 = 9,946.77 : x
  2. Step 2: Convert to fraction form
    13,778.36/18,996.03 = 9,946.77/x
  3. Step 3: Cross multiply
    13,778.36x = 18,996.03 × 9,946.77
  4. Step 4: Simplify right side
    13,778.36x = 188,949,141.32
  5. Step 5: Solve for x
    x = 188,949,141.32/13,778.36
  6. Step 6: Final answer
    x = 13,713.47

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.