Home / 11,423.14-15,762.38-6,386.74

Finding the Fourth Proportional to 11,423.14, 15,762.38 and 6,386.74

Calculator

Solution

The fourth proportional to 11,423.14, 15,762.38 and 6,386.74 is: 8,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.14 : 15,762.38 = 6,386.74 : x
  2. Step 2: Convert to fraction form
    11,423.14/15,762.38 = 6,386.74/x
  3. Step 3: Cross multiply
    11,423.14x = 15,762.38 × 6,386.74
  4. Step 4: Simplify right side
    11,423.14x = 100,670,222.84
  5. Step 5: Solve for x
    x = 100,670,222.84/11,423.14
  6. Step 6: Final answer
    x = 8,812.83

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.