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Finding the Fourth Proportional to 9,819, 14,730.93 and 2,893.50

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Solution

The fourth proportional to 9,819, 14,730.93 and 2,893.50 is: 4,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819 : 14,730.93 = 2,893.50 : x
  2. Step 2: Convert to fraction form
    9,819/14,730.93 = 2,893.50/x
  3. Step 3: Cross multiply
    9,819x = 14,730.93 × 2,893.50
  4. Step 4: Simplify right side
    9,819x = 42,623,945.96
  5. Step 5: Solve for x
    x = 42,623,945.96/9,819
  6. Step 6: Final answer
    x = 4,340.97

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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.