Home / 14,720.38-20,308.13-8,345.62

Finding the Fourth Proportional to 14,720.38, 20,308.13 and 8,345.62

Calculator

Solution

The fourth proportional to 14,720.38, 20,308.13 and 8,345.62 is: 11,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.38 : 20,308.13 = 8,345.62 : x
  2. Step 2: Convert to fraction form
    14,720.38/20,308.13 = 8,345.62/x
  3. Step 3: Cross multiply
    14,720.38x = 20,308.13 × 8,345.62
  4. Step 4: Simplify right side
    14,720.38x = 169,483,935.89
  5. Step 5: Solve for x
    x = 169,483,935.89/14,720.38
  6. Step 6: Final answer
    x = 11,513.56

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.