Home / 11,390.51-17,085.94-3,995.03

Finding the Fourth Proportional to 11,390.51, 17,085.94 and 3,995.03

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Solution

The fourth proportional to 11,390.51, 17,085.94 and 3,995.03 is: 5,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.51 : 17,085.94 = 3,995.03 : x
  2. Step 2: Convert to fraction form
    11,390.51/17,085.94 = 3,995.03/x
  3. Step 3: Cross multiply
    11,390.51x = 17,085.94 × 3,995.03
  4. Step 4: Simplify right side
    11,390.51x = 68,258,899.63
  5. Step 5: Solve for x
    x = 68,258,899.63/11,390.51
  6. Step 6: Final answer
    x = 5,992.61

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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.