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Finding the Fourth Proportional to 12,319.84, 17,001.84 and 6,730.88

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Solution

The fourth proportional to 12,319.84, 17,001.84 and 6,730.88 is: 9,288.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.84 : 17,001.84 = 6,730.88 : x
  2. Step 2: Convert to fraction form
    12,319.84/17,001.84 = 6,730.88/x
  3. Step 3: Cross multiply
    12,319.84x = 17,001.84 × 6,730.88
  4. Step 4: Simplify right side
    12,319.84x = 114,437,344.82
  5. Step 5: Solve for x
    x = 114,437,344.82/12,319.84
  6. Step 6: Final answer
    x = 9,288.87

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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.