Home / 11,936.92-17,918.72-7,015.72

Finding the Fourth Proportional to 11,936.92, 17,918.72 and 7,015.72

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Solution

The fourth proportional to 11,936.92, 17,918.72 and 7,015.72 is: 10,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.92 : 17,918.72 = 7,015.72 : x
  2. Step 2: Convert to fraction form
    11,936.92/17,918.72 = 7,015.72/x
  3. Step 3: Cross multiply
    11,936.92x = 17,918.72 × 7,015.72
  4. Step 4: Simplify right side
    11,936.92x = 125,712,722.28
  5. Step 5: Solve for x
    x = 125,712,722.28/11,936.92
  6. Step 6: Final answer
    x = 10,531.42

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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.