Home / 13,891.08-19,164.92-7,918.44

Finding the Fourth Proportional to 13,891.08, 19,164.92 and 7,918.44

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Solution

The fourth proportional to 13,891.08, 19,164.92 and 7,918.44 is: 10,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.08 : 19,164.92 = 7,918.44 : x
  2. Step 2: Convert to fraction form
    13,891.08/19,164.92 = 7,918.44/x
  3. Step 3: Cross multiply
    13,891.08x = 19,164.92 × 7,918.44
  4. Step 4: Simplify right side
    13,891.08x = 151,756,153.50
  5. Step 5: Solve for x
    x = 151,756,153.50/13,891.08
  6. Step 6: Final answer
    x = 10,924.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.