Home / 22,493.56-31,040.76-12,421.75

Finding the Fourth Proportional to 22,493.56, 31,040.76 and 12,421.75

Calculator

Solution

The fourth proportional to 22,493.56, 31,040.76 and 12,421.75 is: 17,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,493.56 : 31,040.76 = 12,421.75 : x
  2. Step 2: Convert to fraction form
    22,493.56/31,040.76 = 12,421.75/x
  3. Step 3: Cross multiply
    22,493.56x = 31,040.76 × 12,421.75
  4. Step 4: Simplify right side
    22,493.56x = 385,580,560.53
  5. Step 5: Solve for x
    x = 385,580,560.53/22,493.56
  6. Step 6: Final answer
    x = 17,141.82

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.