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Finding the Fourth Proportional to 12,448.52, 17,178.92 and 6,859.52

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Solution

The fourth proportional to 12,448.52, 17,178.92 and 6,859.52 is: 9,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.52 : 17,178.92 = 6,859.52 : x
  2. Step 2: Convert to fraction form
    12,448.52/17,178.92 = 6,859.52/x
  3. Step 3: Cross multiply
    12,448.52x = 17,178.92 × 6,859.52
  4. Step 4: Simplify right side
    12,448.52x = 117,839,145.32
  5. Step 5: Solve for x
    x = 117,839,145.32/12,448.52
  6. Step 6: Final answer
    x = 9,466.12

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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.