Home / 20,908.59-31,346.43-14,314.78

Finding the Fourth Proportional to 20,908.59, 31,346.43 and 14,314.78

Calculator

Solution

The fourth proportional to 20,908.59, 31,346.43 and 14,314.78 is: 21,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,908.59 : 31,346.43 = 14,314.78 : x
  2. Step 2: Convert to fraction form
    20,908.59/31,346.43 = 14,314.78/x
  3. Step 3: Cross multiply
    20,908.59x = 31,346.43 × 14,314.78
  4. Step 4: Simplify right side
    20,908.59x = 448,717,249.24
  5. Step 5: Solve for x
    x = 448,717,249.24/20,908.59
  6. Step 6: Final answer
    x = 21,460.90

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.