Home / 11,383.72-15,710.57-6,908.61

Finding the Fourth Proportional to 11,383.72, 15,710.57 and 6,908.61

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Solution

The fourth proportional to 11,383.72, 15,710.57 and 6,908.61 is: 9,534.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.72 : 15,710.57 = 6,908.61 : x
  2. Step 2: Convert to fraction form
    11,383.72/15,710.57 = 6,908.61/x
  3. Step 3: Cross multiply
    11,383.72x = 15,710.57 × 6,908.61
  4. Step 4: Simplify right side
    11,383.72x = 108,538,201.01
  5. Step 5: Solve for x
    x = 108,538,201.01/11,383.72
  6. Step 6: Final answer
    x = 9,534.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.