Home / 15,642.90-21,585.96-8,569.26

Finding the Fourth Proportional to 15,642.90, 21,585.96 and 8,569.26

Calculator

Solution

The fourth proportional to 15,642.90, 21,585.96 and 8,569.26 is: 11,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.90 : 21,585.96 = 8,569.26 : x
  2. Step 2: Convert to fraction form
    15,642.90/21,585.96 = 8,569.26/x
  3. Step 3: Cross multiply
    15,642.90x = 21,585.96 × 8,569.26
  4. Step 4: Simplify right side
    15,642.90x = 184,975,703.59
  5. Step 5: Solve for x
    x = 184,975,703.59/15,642.90
  6. Step 6: Final answer
    x = 11,824.90

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.