Home / 13,277.22-19,914.12-3,918.23

Finding the Fourth Proportional to 13,277.22, 19,914.12 and 3,918.23

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Solution

The fourth proportional to 13,277.22, 19,914.12 and 3,918.23 is: 5,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.22 : 19,914.12 = 3,918.23 : x
  2. Step 2: Convert to fraction form
    13,277.22/19,914.12 = 3,918.23/x
  3. Step 3: Cross multiply
    13,277.22x = 19,914.12 × 3,918.23
  4. Step 4: Simplify right side
    13,277.22x = 78,028,049.51
  5. Step 5: Solve for x
    x = 78,028,049.51/13,277.22
  6. Step 6: Final answer
    x = 5,876.84

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1.5x scale

Why These Related Problems?

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