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Finding the Fourth Proportional to 11,098.44, 16,669.80 and 6,945.84

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Solution

The fourth proportional to 11,098.44, 16,669.80 and 6,945.84 is: 10,432.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.44 : 16,669.80 = 6,945.84 : x
  2. Step 2: Convert to fraction form
    11,098.44/16,669.80 = 6,945.84/x
  3. Step 3: Cross multiply
    11,098.44x = 16,669.80 × 6,945.84
  4. Step 4: Simplify right side
    11,098.44x = 115,785,763.63
  5. Step 5: Solve for x
    x = 115,785,763.63/11,098.44
  6. Step 6: Final answer
    x = 10,432.62

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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.