Home / 11,788.03-16,268.85-7,072.31

Finding the Fourth Proportional to 11,788.03, 16,268.85 and 7,072.31

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Solution

The fourth proportional to 11,788.03, 16,268.85 and 7,072.31 is: 9,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.03 : 16,268.85 = 7,072.31 : x
  2. Step 2: Convert to fraction form
    11,788.03/16,268.85 = 7,072.31/x
  3. Step 3: Cross multiply
    11,788.03x = 16,268.85 × 7,072.31
  4. Step 4: Simplify right side
    11,788.03x = 115,058,391.22
  5. Step 5: Solve for x
    x = 115,058,391.22/11,788.03
  6. Step 6: Final answer
    x = 9,760.61

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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.