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Finding the Fourth Proportional to 11,558.14, 17,340.70 and 4,891.22

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Solution

The fourth proportional to 11,558.14, 17,340.70 and 4,891.22 is: 7,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.14 : 17,340.70 = 4,891.22 : x
  2. Step 2: Convert to fraction form
    11,558.14/17,340.70 = 4,891.22/x
  3. Step 3: Cross multiply
    11,558.14x = 17,340.70 × 4,891.22
  4. Step 4: Simplify right side
    11,558.14x = 84,817,178.65
  5. Step 5: Solve for x
    x = 84,817,178.65/11,558.14
  6. Step 6: Final answer
    x = 7,338.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.