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Finding the Fourth Proportional to 10,877.26, 15,010.62 and 5,909.26

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Solution

The fourth proportional to 10,877.26, 15,010.62 and 5,909.26 is: 8,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.26 : 15,010.62 = 5,909.26 : x
  2. Step 2: Convert to fraction form
    10,877.26/15,010.62 = 5,909.26/x
  3. Step 3: Cross multiply
    10,877.26x = 15,010.62 × 5,909.26
  4. Step 4: Simplify right side
    10,877.26x = 88,701,656.34
  5. Step 5: Solve for x
    x = 88,701,656.34/10,877.26
  6. Step 6: Final answer
    x = 8,154.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.