Home / 10,939.68-15,096.78-5,971.68

Finding the Fourth Proportional to 10,939.68, 15,096.78 and 5,971.68

Calculator

Solution

The fourth proportional to 10,939.68, 15,096.78 and 5,971.68 is: 8,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.68 : 15,096.78 = 5,971.68 : x
  2. Step 2: Convert to fraction form
    10,939.68/15,096.78 = 5,971.68/x
  3. Step 3: Cross multiply
    10,939.68x = 15,096.78 × 5,971.68
  4. Step 4: Simplify right side
    10,939.68x = 90,153,139.19
  5. Step 5: Solve for x
    x = 90,153,139.19/10,939.68
  6. Step 6: Final answer
    x = 8,240.93

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.