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Finding the Fourth Proportional to 19,996.08, 29,998.30 and 5,956.08

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Solution

The fourth proportional to 19,996.08, 29,998.30 and 5,956.08 is: 8,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.08 : 29,998.30 = 5,956.08 : x
  2. Step 2: Convert to fraction form
    19,996.08/29,998.30 = 5,956.08/x
  3. Step 3: Cross multiply
    19,996.08x = 29,998.30 × 5,956.08
  4. Step 4: Simplify right side
    19,996.08x = 178,672,274.66
  5. Step 5: Solve for x
    x = 178,672,274.66/19,996.08
  6. Step 6: Final answer
    x = 8,935.37

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1.5x scale

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.