Home / 15,302.64-21,089.02-11,940.12

Finding the Fourth Proportional to 15,302.64, 21,089.02 and 11,940.12

Calculator

Solution

The fourth proportional to 15,302.64, 21,089.02 and 11,940.12 is: 16,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,302.64 : 21,089.02 = 11,940.12 : x
  2. Step 2: Convert to fraction form
    15,302.64/21,089.02 = 11,940.12/x
  3. Step 3: Cross multiply
    15,302.64x = 21,089.02 × 11,940.12
  4. Step 4: Simplify right side
    15,302.64x = 251,805,429.48
  5. Step 5: Solve for x
    x = 251,805,429.48/15,302.64
  6. Step 6: Final answer
    x = 16,455.03

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.