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Finding the Fourth Proportional to 10,809.51, 16,179.03 and 5,866.89

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Solution

The fourth proportional to 10,809.51, 16,179.03 and 5,866.89 is: 8,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.51 : 16,179.03 = 5,866.89 : x
  2. Step 2: Convert to fraction form
    10,809.51/16,179.03 = 5,866.89/x
  3. Step 3: Cross multiply
    10,809.51x = 16,179.03 × 5,866.89
  4. Step 4: Simplify right side
    10,809.51x = 94,920,589.32
  5. Step 5: Solve for x
    x = 94,920,589.32/10,809.51
  6. Step 6: Final answer
    x = 8,781.21

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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.