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Finding the Fourth Proportional to 9,270.61, 13,881.62 and 6,354.61

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Solution

The fourth proportional to 9,270.61, 13,881.62 and 6,354.61 is: 9,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.61 : 13,881.62 = 6,354.61 : x
  2. Step 2: Convert to fraction form
    9,270.61/13,881.62 = 6,354.61/x
  3. Step 3: Cross multiply
    9,270.61x = 13,881.62 × 6,354.61
  4. Step 4: Simplify right side
    9,270.61x = 88,212,249.50
  5. Step 5: Solve for x
    x = 88,212,249.50/9,270.61
  6. Step 6: Final answer
    x = 9,515.26

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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.