Home / 12,316.80-18,475.20-5,743.65

Finding the Fourth Proportional to 12,316.80, 18,475.20 and 5,743.65

Calculator

Solution

The fourth proportional to 12,316.80, 18,475.20 and 5,743.65 is: 8,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.80 : 18,475.20 = 5,743.65 : x
  2. Step 2: Convert to fraction form
    12,316.80/18,475.20 = 5,743.65/x
  3. Step 3: Cross multiply
    12,316.80x = 18,475.20 × 5,743.65
  4. Step 4: Simplify right side
    12,316.80x = 106,115,082.48
  5. Step 5: Solve for x
    x = 106,115,082.48/12,316.80
  6. Step 6: Final answer
    x = 8,615.48

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.