Home / 19,516.62-29,280.38-7,838.04

Finding the Fourth Proportional to 19,516.62, 29,280.38 and 7,838.04

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Solution

The fourth proportional to 19,516.62, 29,280.38 and 7,838.04 is: 11,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.62 : 29,280.38 = 7,838.04 : x
  2. Step 2: Convert to fraction form
    19,516.62/29,280.38 = 7,838.04/x
  3. Step 3: Cross multiply
    19,516.62x = 29,280.38 × 7,838.04
  4. Step 4: Simplify right side
    19,516.62x = 229,500,789.66
  5. Step 5: Solve for x
    x = 229,500,789.66/19,516.62
  6. Step 6: Final answer
    x = 11,759.25

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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.