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Finding the Fourth Proportional to 14,562, 21,843 and 3,618

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Solution

The fourth proportional to 14,562, 21,843 and 3,618 is: 5,427

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,562 : 21,843 = 3,618 : x
  2. Step 2: Convert to fraction form
    14,562/21,843 = 3,618/x
  3. Step 3: Cross multiply
    14,562x = 21,843 × 3,618
  4. Step 4: Simplify right side
    14,562x = 79,027,974
  5. Step 5: Solve for x
    x = 79,027,974/14,562
  6. Step 6: Final answer
    x = 5,427

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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.