Home / 21,434.78-29,580.03-12,003.35

Finding the Fourth Proportional to 21,434.78, 29,580.03 and 12,003.35

Calculator

Solution

The fourth proportional to 21,434.78, 29,580.03 and 12,003.35 is: 16,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,434.78 : 29,580.03 = 12,003.35 : x
  2. Step 2: Convert to fraction form
    21,434.78/29,580.03 = 12,003.35/x
  3. Step 3: Cross multiply
    21,434.78x = 29,580.03 × 12,003.35
  4. Step 4: Simplify right side
    21,434.78x = 355,059,317.56
  5. Step 5: Solve for x
    x = 355,059,317.56/21,434.78
  6. Step 6: Final answer
    x = 16,564.63

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.