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Finding the Fourth Proportional to 19,362.66, 29,073.15 and 11,052.06

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Solution

The fourth proportional to 19,362.66, 29,073.15 and 11,052.06 is: 16,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.66 : 29,073.15 = 11,052.06 : x
  2. Step 2: Convert to fraction form
    19,362.66/29,073.15 = 11,052.06/x
  3. Step 3: Cross multiply
    19,362.66x = 29,073.15 × 11,052.06
  4. Step 4: Simplify right side
    19,362.66x = 321,318,198.19
  5. Step 5: Solve for x
    x = 321,318,198.19/19,362.66
  6. Step 6: Final answer
    x = 16,594.73

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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.