Home / 15,874.56-21,906.72-9,908.64

Finding the Fourth Proportional to 15,874.56, 21,906.72 and 9,908.64

Calculator

Solution

The fourth proportional to 15,874.56, 21,906.72 and 9,908.64 is: 13,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874.56 : 21,906.72 = 9,908.64 : x
  2. Step 2: Convert to fraction form
    15,874.56/21,906.72 = 9,908.64/x
  3. Step 3: Cross multiply
    15,874.56x = 21,906.72 × 9,908.64
  4. Step 4: Simplify right side
    15,874.56x = 217,065,802.06
  5. Step 5: Solve for x
    x = 217,065,802.06/15,874.56
  6. Step 6: Final answer
    x = 13,673.82

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.