Home / 11,699.52-17,549.76-3,909.12

Finding the Fourth Proportional to 11,699.52, 17,549.76 and 3,909.12

Calculator

Solution

The fourth proportional to 11,699.52, 17,549.76 and 3,909.12 is: 5,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.52 : 17,549.76 = 3,909.12 : x
  2. Step 2: Convert to fraction form
    11,699.52/17,549.76 = 3,909.12/x
  3. Step 3: Cross multiply
    11,699.52x = 17,549.76 × 3,909.12
  4. Step 4: Simplify right side
    11,699.52x = 68,604,117.81
  5. Step 5: Solve for x
    x = 68,604,117.81/11,699.52
  6. Step 6: Final answer
    x = 5,863.84

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.