Home / 13,218.38-18,241.87-7,250.30

Finding the Fourth Proportional to 13,218.38, 18,241.87 and 7,250.30

Calculator

Solution

The fourth proportional to 13,218.38, 18,241.87 and 7,250.30 is: 10,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.38 : 18,241.87 = 7,250.30 : x
  2. Step 2: Convert to fraction form
    13,218.38/18,241.87 = 7,250.30/x
  3. Step 3: Cross multiply
    13,218.38x = 18,241.87 × 7,250.30
  4. Step 4: Simplify right side
    13,218.38x = 132,259,030.06
  5. Step 5: Solve for x
    x = 132,259,030.06/13,218.38
  6. Step 6: Final answer
    x = 10,005.69

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.