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Finding the Fourth Proportional to 11,895, 17,902.19 and 8,948.72

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Solution

The fourth proportional to 11,895, 17,902.19 and 8,948.72 is: 13,467.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895 : 17,902.19 = 8,948.72 : x
  2. Step 2: Convert to fraction form
    11,895/17,902.19 = 8,948.72/x
  3. Step 3: Cross multiply
    11,895x = 17,902.19 × 8,948.72
  4. Step 4: Simplify right side
    11,895x = 160,201,551.44
  5. Step 5: Solve for x
    x = 160,201,551.44/11,895
  6. Step 6: Final answer
    x = 13,467.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.