Home / 11,974.34-18,051.26-11,171.64

Finding the Fourth Proportional to 11,974.34, 18,051.26 and 11,171.64

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Solution

The fourth proportional to 11,974.34, 18,051.26 and 11,171.64 is: 16,841.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.34 : 18,051.26 = 11,171.64 : x
  2. Step 2: Convert to fraction form
    11,974.34/18,051.26 = 11,171.64/x
  3. Step 3: Cross multiply
    11,974.34x = 18,051.26 × 11,171.64
  4. Step 4: Simplify right side
    11,974.34x = 201,662,178.27
  5. Step 5: Solve for x
    x = 201,662,178.27/11,974.34
  6. Step 6: Final answer
    x = 16,841.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.