Home / 18,955.13-28,433.84-5,807.61

Finding the Fourth Proportional to 18,955.13, 28,433.84 and 5,807.61

Calculator

Solution

The fourth proportional to 18,955.13, 28,433.84 and 5,807.61 is: 8,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.13 : 28,433.84 = 5,807.61 : x
  2. Step 2: Convert to fraction form
    18,955.13/28,433.84 = 5,807.61/x
  3. Step 3: Cross multiply
    18,955.13x = 28,433.84 × 5,807.61
  4. Step 4: Simplify right side
    18,955.13x = 165,132,624.48
  5. Step 5: Solve for x
    x = 165,132,624.48/18,955.13
  6. Step 6: Final answer
    x = 8,711.77

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.