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Finding the Fourth Proportional to 11,108.70, 16,675.20 and 6,953.40

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Solution

The fourth proportional to 11,108.70, 16,675.20 and 6,953.40 is: 10,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.70 : 16,675.20 = 6,953.40 : x
  2. Step 2: Convert to fraction form
    11,108.70/16,675.20 = 6,953.40/x
  3. Step 3: Cross multiply
    11,108.70x = 16,675.20 × 6,953.40
  4. Step 4: Simplify right side
    11,108.70x = 115,949,335.68
  5. Step 5: Solve for x
    x = 115,949,335.68/11,108.70
  6. Step 6: Final answer
    x = 10,437.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.