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Finding the Fourth Proportional to 19,888.08, 29,838.04 and 8,202

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Solution

The fourth proportional to 19,888.08, 29,838.04 and 8,202 is: 12,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.08 : 29,838.04 = 8,202 : x
  2. Step 2: Convert to fraction form
    19,888.08/29,838.04 = 8,202/x
  3. Step 3: Cross multiply
    19,888.08x = 29,838.04 × 8,202
  4. Step 4: Simplify right side
    19,888.08x = 244,731,604.08
  5. Step 5: Solve for x
    x = 244,731,604.08/19,888.08
  6. Step 6: Final answer
    x = 12,305.44

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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.