Home / 9,665.73-13,365.54-7,672.80

Finding the Fourth Proportional to 9,665.73, 13,365.54 and 7,672.80

Calculator

Solution

The fourth proportional to 9,665.73, 13,365.54 and 7,672.80 is: 10,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,665.73 : 13,365.54 = 7,672.80 : x
  2. Step 2: Convert to fraction form
    9,665.73/13,365.54 = 7,672.80/x
  3. Step 3: Cross multiply
    9,665.73x = 13,365.54 × 7,672.80
  4. Step 4: Simplify right side
    9,665.73x = 102,551,115.31
  5. Step 5: Solve for x
    x = 102,551,115.31/9,665.73
  6. Step 6: Final answer
    x = 10,609.76

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.