Home / 13,942.13-19,241.16-8,637.97

Finding the Fourth Proportional to 13,942.13, 19,241.16 and 8,637.97

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Solution

The fourth proportional to 13,942.13, 19,241.16 and 8,637.97 is: 11,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.13 : 19,241.16 = 8,637.97 : x
  2. Step 2: Convert to fraction form
    13,942.13/19,241.16 = 8,637.97/x
  3. Step 3: Cross multiply
    13,942.13x = 19,241.16 × 8,637.97
  4. Step 4: Simplify right side
    13,942.13x = 166,204,476.46
  5. Step 5: Solve for x
    x = 166,204,476.46/13,942.13
  6. Step 6: Final answer
    x = 11,921.03

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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.