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Finding the Fourth Proportional to 12,359.13, 17,055.60 and 6,770.13

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Solution

The fourth proportional to 12,359.13, 17,055.60 and 6,770.13 is: 9,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.13 : 17,055.60 = 6,770.13 : x
  2. Step 2: Convert to fraction form
    12,359.13/17,055.60 = 6,770.13/x
  3. Step 3: Cross multiply
    12,359.13x = 17,055.60 × 6,770.13
  4. Step 4: Simplify right side
    12,359.13x = 115,468,629.23
  5. Step 5: Solve for x
    x = 115,468,629.23/12,359.13
  6. Step 6: Final answer
    x = 9,342.78

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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.