Home / 13,993.08-19,310.40-7,705.44

Finding the Fourth Proportional to 13,993.08, 19,310.40 and 7,705.44

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Solution

The fourth proportional to 13,993.08, 19,310.40 and 7,705.44 is: 10,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.08 : 19,310.40 = 7,705.44 : x
  2. Step 2: Convert to fraction form
    13,993.08/19,310.40 = 7,705.44/x
  3. Step 3: Cross multiply
    13,993.08x = 19,310.40 × 7,705.44
  4. Step 4: Simplify right side
    13,993.08x = 148,795,128.58
  5. Step 5: Solve for x
    x = 148,795,128.58/13,993.08
  6. Step 6: Final answer
    x = 10,633.48

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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.