Home / 10,080.45-15,120.68-10,080.45

Finding the Fourth Proportional to 10,080.45, 15,120.68 and 10,080.45

Calculator

Solution

The fourth proportional to 10,080.45, 15,120.68 and 10,080.45 is: 15,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.45 : 15,120.68 = 10,080.45 : x
  2. Step 2: Convert to fraction form
    10,080.45/15,120.68 = 10,080.45/x
  3. Step 3: Cross multiply
    10,080.45x = 15,120.68 × 10,080.45
  4. Step 4: Simplify right side
    10,080.45x = 152,423,208.30
  5. Step 5: Solve for x
    x = 152,423,208.30/10,080.45
  6. Step 6: Final answer
    x = 15,120.68

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.