Home / 12,672.27-19,011.49-8,931.34

Finding the Fourth Proportional to 12,672.27, 19,011.49 and 8,931.34

Calculator

Solution

The fourth proportional to 12,672.27, 19,011.49 and 8,931.34 is: 13,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.27 : 19,011.49 = 8,931.34 : x
  2. Step 2: Convert to fraction form
    12,672.27/19,011.49 = 8,931.34/x
  3. Step 3: Cross multiply
    12,672.27x = 19,011.49 × 8,931.34
  4. Step 4: Simplify right side
    12,672.27x = 169,798,081.10
  5. Step 5: Solve for x
    x = 169,798,081.10/12,672.27
  6. Step 6: Final answer
    x = 13,399.18

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.