Home / 18,950.26-28,423.14-5,811.70

Finding the Fourth Proportional to 18,950.26, 28,423.14 and 5,811.70

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Solution

The fourth proportional to 18,950.26, 28,423.14 and 5,811.70 is: 8,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.26 : 28,423.14 = 5,811.70 : x
  2. Step 2: Convert to fraction form
    18,950.26/28,423.14 = 5,811.70/x
  3. Step 3: Cross multiply
    18,950.26x = 28,423.14 × 5,811.70
  4. Step 4: Simplify right side
    18,950.26x = 165,186,762.74
  5. Step 5: Solve for x
    x = 165,186,762.74/18,950.26
  6. Step 6: Final answer
    x = 8,716.86

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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.