Home / 13,903.50-19,186.83-7,615.89

Finding the Fourth Proportional to 13,903.50, 19,186.83 and 7,615.89

Calculator

Solution

The fourth proportional to 13,903.50, 19,186.83 and 7,615.89 is: 10,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.50 : 19,186.83 = 7,615.89 : x
  2. Step 2: Convert to fraction form
    13,903.50/19,186.83 = 7,615.89/x
  3. Step 3: Cross multiply
    13,903.50x = 19,186.83 × 7,615.89
  4. Step 4: Simplify right side
    13,903.50x = 146,124,786.73
  5. Step 5: Solve for x
    x = 146,124,786.73/13,903.50
  6. Step 6: Final answer
    x = 10,509.93

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.