Home / 10,090.82-15,138.64-3,165.32

Finding the Fourth Proportional to 10,090.82, 15,138.64 and 3,165.32

Calculator

Solution

The fourth proportional to 10,090.82, 15,138.64 and 3,165.32 is: 4,748.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.82 : 15,138.64 = 3,165.32 : x
  2. Step 2: Convert to fraction form
    10,090.82/15,138.64 = 3,165.32/x
  3. Step 3: Cross multiply
    10,090.82x = 15,138.64 × 3,165.32
  4. Step 4: Simplify right side
    10,090.82x = 47,918,639.96
  5. Step 5: Solve for x
    x = 47,918,639.96/10,090.82
  6. Step 6: Final answer
    x = 4,748.74

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.