Home / 19,874.78-29,815.97-6,551.61

Finding the Fourth Proportional to 19,874.78, 29,815.97 and 6,551.61

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Solution

The fourth proportional to 19,874.78, 29,815.97 and 6,551.61 is: 9,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.78 : 29,815.97 = 6,551.61 : x
  2. Step 2: Convert to fraction form
    19,874.78/29,815.97 = 6,551.61/x
  3. Step 3: Cross multiply
    19,874.78x = 29,815.97 × 6,551.61
  4. Step 4: Simplify right side
    19,874.78x = 195,342,574.45
  5. Step 5: Solve for x
    x = 195,342,574.45/19,874.78
  6. Step 6: Final answer
    x = 9,828.67

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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.