Home / 13,809.90-20,703.51-5,486.34

Finding the Fourth Proportional to 13,809.90, 20,703.51 and 5,486.34

Calculator

Solution

The fourth proportional to 13,809.90, 20,703.51 and 5,486.34 is: 8,225.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.90 : 20,703.51 = 5,486.34 : x
  2. Step 2: Convert to fraction form
    13,809.90/20,703.51 = 5,486.34/x
  3. Step 3: Cross multiply
    13,809.90x = 20,703.51 × 5,486.34
  4. Step 4: Simplify right side
    13,809.90x = 113,586,495.05
  5. Step 5: Solve for x
    x = 113,586,495.05/13,809.90
  6. Step 6: Final answer
    x = 8,225.00

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.