Home / 13,914.25-19,201.66-7,540.82

Finding the Fourth Proportional to 13,914.25, 19,201.66 and 7,540.82

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Solution

The fourth proportional to 13,914.25, 19,201.66 and 7,540.82 is: 10,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.25 : 19,201.66 = 7,540.82 : x
  2. Step 2: Convert to fraction form
    13,914.25/19,201.66 = 7,540.82/x
  3. Step 3: Cross multiply
    13,914.25x = 19,201.66 × 7,540.82
  4. Step 4: Simplify right side
    13,914.25x = 144,796,296.77
  5. Step 5: Solve for x
    x = 144,796,296.77/13,914.25
  6. Step 6: Final answer
    x = 10,406.33

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1.5x scale

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.