Home / 10,390.82-15,583.19-5,646.24

Finding the Fourth Proportional to 10,390.82, 15,583.19 and 5,646.24

Calculator

Solution

The fourth proportional to 10,390.82, 15,583.19 and 5,646.24 is: 8,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.82 : 15,583.19 = 5,646.24 : x
  2. Step 2: Convert to fraction form
    10,390.82/15,583.19 = 5,646.24/x
  3. Step 3: Cross multiply
    10,390.82x = 15,583.19 × 5,646.24
  4. Step 4: Simplify right side
    10,390.82x = 87,986,402.47
  5. Step 5: Solve for x
    x = 87,986,402.47/10,390.82
  6. Step 6: Final answer
    x = 8,467.71

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.