Home / 10,977.15-15,144.39-6,997.35

Finding the Fourth Proportional to 10,977.15, 15,144.39 and 6,997.35

Calculator

Solution

The fourth proportional to 10,977.15, 15,144.39 and 6,997.35 is: 9,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.15 : 15,144.39 = 6,997.35 : x
  2. Step 2: Convert to fraction form
    10,977.15/15,144.39 = 6,997.35/x
  3. Step 3: Cross multiply
    10,977.15x = 15,144.39 × 6,997.35
  4. Step 4: Simplify right side
    10,977.15x = 105,970,597.37
  5. Step 5: Solve for x
    x = 105,970,597.37/10,977.15
  6. Step 6: Final answer
    x = 9,653.74

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.