Home / 11,687.61-16,047.33-11,383.14

Finding the Fourth Proportional to 11,687.61, 16,047.33 and 11,383.14

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Solution

The fourth proportional to 11,687.61, 16,047.33 and 11,383.14 is: 15,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.61 : 16,047.33 = 11,383.14 : x
  2. Step 2: Convert to fraction form
    11,687.61/16,047.33 = 11,383.14/x
  3. Step 3: Cross multiply
    11,687.61x = 16,047.33 × 11,383.14
  4. Step 4: Simplify right side
    11,687.61x = 182,669,004.02
  5. Step 5: Solve for x
    x = 182,669,004.02/11,687.61
  6. Step 6: Final answer
    x = 15,629.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.