Home / 18,381.76-25,366.82-10,423.98

Finding the Fourth Proportional to 18,381.76, 25,366.82 and 10,423.98

Calculator

Solution

The fourth proportional to 18,381.76, 25,366.82 and 10,423.98 is: 14,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381.76 : 25,366.82 = 10,423.98 : x
  2. Step 2: Convert to fraction form
    18,381.76/25,366.82 = 10,423.98/x
  3. Step 3: Cross multiply
    18,381.76x = 25,366.82 × 10,423.98
  4. Step 4: Simplify right side
    18,381.76x = 264,423,297.97
  5. Step 5: Solve for x
    x = 264,423,297.97/18,381.76
  6. Step 6: Final answer
    x = 14,385.09

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.