Home / 12,516.62-18,772.54-3,751.53

Finding the Fourth Proportional to 12,516.62, 18,772.54 and 3,751.53

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Solution

The fourth proportional to 12,516.62, 18,772.54 and 3,751.53 is: 5,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.62 : 18,772.54 = 3,751.53 : x
  2. Step 2: Convert to fraction form
    12,516.62/18,772.54 = 3,751.53/x
  3. Step 3: Cross multiply
    12,516.62x = 18,772.54 × 3,751.53
  4. Step 4: Simplify right side
    12,516.62x = 70,425,784.54
  5. Step 5: Solve for x
    x = 70,425,784.54/12,516.62
  6. Step 6: Final answer
    x = 5,626.58

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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.