Home / 11,412.06-17,118-6,764.28

Finding the Fourth Proportional to 11,412.06, 17,118 and 6,764.28

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Solution

The fourth proportional to 11,412.06, 17,118 and 6,764.28 is: 10,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.06 : 17,118 = 6,764.28 : x
  2. Step 2: Convert to fraction form
    11,412.06/17,118 = 6,764.28/x
  3. Step 3: Cross multiply
    11,412.06x = 17,118 × 6,764.28
  4. Step 4: Simplify right side
    11,412.06x = 115,790,945.04
  5. Step 5: Solve for x
    x = 115,790,945.04/11,412.06
  6. Step 6: Final answer
    x = 10,146.37

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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.