Home / 18,974.21-26,186.72-11,016.44

Finding the Fourth Proportional to 18,974.21, 26,186.72 and 11,016.44

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Solution

The fourth proportional to 18,974.21, 26,186.72 and 11,016.44 is: 15,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.21 : 26,186.72 = 11,016.44 : x
  2. Step 2: Convert to fraction form
    18,974.21/26,186.72 = 11,016.44/x
  3. Step 3: Cross multiply
    18,974.21x = 26,186.72 × 11,016.44
  4. Step 4: Simplify right side
    18,974.21x = 288,484,394.35
  5. Step 5: Solve for x
    x = 288,484,394.35/18,974.21
  6. Step 6: Final answer
    x = 15,204.02

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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.