Home / 11,383.06-17,081.07-7,489.30

Finding the Fourth Proportional to 11,383.06, 17,081.07 and 7,489.30

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Solution

The fourth proportional to 11,383.06, 17,081.07 and 7,489.30 is: 11,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.06 : 17,081.07 = 7,489.30 : x
  2. Step 2: Convert to fraction form
    11,383.06/17,081.07 = 7,489.30/x
  3. Step 3: Cross multiply
    11,383.06x = 17,081.07 × 7,489.30
  4. Step 4: Simplify right side
    11,383.06x = 127,925,257.55
  5. Step 5: Solve for x
    x = 127,925,257.55/11,383.06
  6. Step 6: Final answer
    x = 11,238.21

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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.