Home / 15,432.96-21,297.46-8,359.38

Finding the Fourth Proportional to 15,432.96, 21,297.46 and 8,359.38

Calculator

Solution

The fourth proportional to 15,432.96, 21,297.46 and 8,359.38 is: 11,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.96 : 21,297.46 = 8,359.38 : x
  2. Step 2: Convert to fraction form
    15,432.96/21,297.46 = 8,359.38/x
  3. Step 3: Cross multiply
    15,432.96x = 21,297.46 × 8,359.38
  4. Step 4: Simplify right side
    15,432.96x = 178,033,561.17
  5. Step 5: Solve for x
    x = 178,033,561.17/15,432.96
  6. Step 6: Final answer
    x = 11,535.93

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.