Home / 12,409-17,124.42-6,820

Finding the Fourth Proportional to 12,409, 17,124.42 and 6,820

Calculator

Solution

The fourth proportional to 12,409, 17,124.42 and 6,820 is: 9,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409 : 17,124.42 = 6,820 : x
  2. Step 2: Convert to fraction form
    12,409/17,124.42 = 6,820/x
  3. Step 3: Cross multiply
    12,409x = 17,124.42 × 6,820
  4. Step 4: Simplify right side
    12,409x = 116,788,544.40
  5. Step 5: Solve for x
    x = 116,788,544.40/12,409
  6. Step 6: Final answer
    x = 9,411.60

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.