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Finding the Fourth Proportional to 12,416.49, 17,134.75 and 6,827.49

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Solution

The fourth proportional to 12,416.49, 17,134.75 and 6,827.49 is: 9,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.49 : 17,134.75 = 6,827.49 : x
  2. Step 2: Convert to fraction form
    12,416.49/17,134.75 = 6,827.49/x
  3. Step 3: Cross multiply
    12,416.49x = 17,134.75 × 6,827.49
  4. Step 4: Simplify right side
    12,416.49x = 116,987,342.81
  5. Step 5: Solve for x
    x = 116,987,342.81/12,416.49
  6. Step 6: Final answer
    x = 9,421.93

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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.