Home / 10,385.58-15,580.84-3,365.59

Finding the Fourth Proportional to 10,385.58, 15,580.84 and 3,365.59

Calculator

Solution

The fourth proportional to 10,385.58, 15,580.84 and 3,365.59 is: 5,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.58 : 15,580.84 = 3,365.59 : x
  2. Step 2: Convert to fraction form
    10,385.58/15,580.84 = 3,365.59/x
  3. Step 3: Cross multiply
    10,385.58x = 15,580.84 × 3,365.59
  4. Step 4: Simplify right side
    10,385.58x = 52,438,719.30
  5. Step 5: Solve for x
    x = 52,438,719.30/10,385.58
  6. Step 6: Final answer
    x = 5,049.19

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.