Home / 16,815.60-25,226.46-5,721.75

Finding the Fourth Proportional to 16,815.60, 25,226.46 and 5,721.75

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Solution

The fourth proportional to 16,815.60, 25,226.46 and 5,721.75 is: 8,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.60 : 25,226.46 = 5,721.75 : x
  2. Step 2: Convert to fraction form
    16,815.60/25,226.46 = 5,721.75/x
  3. Step 3: Cross multiply
    16,815.60x = 25,226.46 × 5,721.75
  4. Step 4: Simplify right side
    16,815.60x = 144,339,497.51
  5. Step 5: Solve for x
    x = 144,339,497.51/16,815.60
  6. Step 6: Final answer
    x = 8,583.67

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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.