Home / 13,457.88-18,572.01-7,408.80

Finding the Fourth Proportional to 13,457.88, 18,572.01 and 7,408.80

Calculator

Solution

The fourth proportional to 13,457.88, 18,572.01 and 7,408.80 is: 10,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.88 : 18,572.01 = 7,408.80 : x
  2. Step 2: Convert to fraction form
    13,457.88/18,572.01 = 7,408.80/x
  3. Step 3: Cross multiply
    13,457.88x = 18,572.01 × 7,408.80
  4. Step 4: Simplify right side
    13,457.88x = 137,596,307.69
  5. Step 5: Solve for x
    x = 137,596,307.69/13,457.88
  6. Step 6: Final answer
    x = 10,224.22

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.