Home / 21,009.10-31,483.95-11,653.24

Finding the Fourth Proportional to 21,009.10, 31,483.95 and 11,653.24

Calculator

Solution

The fourth proportional to 21,009.10, 31,483.95 and 11,653.24 is: 17,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,009.10 : 31,483.95 = 11,653.24 : x
  2. Step 2: Convert to fraction form
    21,009.10/31,483.95 = 11,653.24/x
  3. Step 3: Cross multiply
    21,009.10x = 31,483.95 × 11,653.24
  4. Step 4: Simplify right side
    21,009.10x = 366,890,025.50
  5. Step 5: Solve for x
    x = 366,890,025.50/21,009.10
  6. Step 6: Final answer
    x = 17,463.39

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.