Home / 14,434.32-19,919.16-8,148.72

Finding the Fourth Proportional to 14,434.32, 19,919.16 and 8,148.72

Calculator

Solution

The fourth proportional to 14,434.32, 19,919.16 and 8,148.72 is: 11,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,434.32 : 19,919.16 = 8,148.72 : x
  2. Step 2: Convert to fraction form
    14,434.32/19,919.16 = 8,148.72/x
  3. Step 3: Cross multiply
    14,434.32x = 19,919.16 × 8,148.72
  4. Step 4: Simplify right side
    14,434.32x = 162,315,657.48
  5. Step 5: Solve for x
    x = 162,315,657.48/14,434.32
  6. Step 6: Final answer
    x = 11,245.12

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.