Home / 12,687.10-17,476.29-9,697.89

Finding the Fourth Proportional to 12,687.10, 17,476.29 and 9,697.89

Calculator

Solution

The fourth proportional to 12,687.10, 17,476.29 and 9,697.89 is: 13,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687.10 : 17,476.29 = 9,697.89 : x
  2. Step 2: Convert to fraction form
    12,687.10/17,476.29 = 9,697.89/x
  3. Step 3: Cross multiply
    12,687.10x = 17,476.29 × 9,697.89
  4. Step 4: Simplify right side
    12,687.10x = 169,483,203.56
  5. Step 5: Solve for x
    x = 169,483,203.56/12,687.10
  6. Step 6: Final answer
    x = 13,358.71

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.