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Finding the Fourth Proportional to 14,168, 21,251.99 and 6,749.98

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Solution

The fourth proportional to 14,168, 21,251.99 and 6,749.98 is: 10,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168 : 21,251.99 = 6,749.98 : x
  2. Step 2: Convert to fraction form
    14,168/21,251.99 = 6,749.98/x
  3. Step 3: Cross multiply
    14,168x = 21,251.99 × 6,749.98
  4. Step 4: Simplify right side
    14,168x = 143,450,507.46
  5. Step 5: Solve for x
    x = 143,450,507.46/14,168
  6. Step 6: Final answer
    x = 10,124.97

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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.