Home / 22,779.92-31,436.46-12,709

Finding the Fourth Proportional to 22,779.92, 31,436.46 and 12,709

Calculator

Solution

The fourth proportional to 22,779.92, 31,436.46 and 12,709 is: 17,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.92 : 31,436.46 = 12,709 : x
  2. Step 2: Convert to fraction form
    22,779.92/31,436.46 = 12,709/x
  3. Step 3: Cross multiply
    22,779.92x = 31,436.46 × 12,709
  4. Step 4: Simplify right side
    22,779.92x = 399,525,970.14
  5. Step 5: Solve for x
    x = 399,525,970.14/22,779.92
  6. Step 6: Final answer
    x = 17,538.52

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.