Home / 19,164.54-28,737.07-8,767.38

Finding the Fourth Proportional to 19,164.54, 28,737.07 and 8,767.38

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Solution

The fourth proportional to 19,164.54, 28,737.07 and 8,767.38 is: 13,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.54 : 28,737.07 = 8,767.38 : x
  2. Step 2: Convert to fraction form
    19,164.54/28,737.07 = 8,767.38/x
  3. Step 3: Cross multiply
    19,164.54x = 28,737.07 × 8,767.38
  4. Step 4: Simplify right side
    19,164.54x = 251,948,812.78
  5. Step 5: Solve for x
    x = 251,948,812.78/19,164.54
  6. Step 6: Final answer
    x = 13,146.61

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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.