Home / 11,102.48-15,327.72-7,381.52

Finding the Fourth Proportional to 11,102.48, 15,327.72 and 7,381.52

Calculator

Solution

The fourth proportional to 11,102.48, 15,327.72 and 7,381.52 is: 10,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.48 : 15,327.72 = 7,381.52 : x
  2. Step 2: Convert to fraction form
    11,102.48/15,327.72 = 7,381.52/x
  3. Step 3: Cross multiply
    11,102.48x = 15,327.72 × 7,381.52
  4. Step 4: Simplify right side
    11,102.48x = 113,141,871.73
  5. Step 5: Solve for x
    x = 113,141,871.73/11,102.48
  6. Step 6: Final answer
    x = 10,190.68

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.