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Finding the Fourth Proportional to 12,544, 18,817.08 and 3,310

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Solution

The fourth proportional to 12,544, 18,817.08 and 3,310 is: 4,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544 : 18,817.08 = 3,310 : x
  2. Step 2: Convert to fraction form
    12,544/18,817.08 = 3,310/x
  3. Step 3: Cross multiply
    12,544x = 18,817.08 × 3,310
  4. Step 4: Simplify right side
    12,544x = 62,284,534.80
  5. Step 5: Solve for x
    x = 62,284,534.80/12,544
  6. Step 6: Final answer
    x = 4,965.28

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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.