Home / 11,853.97-17,774.98-3,953.75

Finding the Fourth Proportional to 11,853.97, 17,774.98 and 3,953.75

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Solution

The fourth proportional to 11,853.97, 17,774.98 and 3,953.75 is: 5,928.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.97 : 17,774.98 = 3,953.75 : x
  2. Step 2: Convert to fraction form
    11,853.97/17,774.98 = 3,953.75/x
  3. Step 3: Cross multiply
    11,853.97x = 17,774.98 × 3,953.75
  4. Step 4: Simplify right side
    11,853.97x = 70,277,728.42
  5. Step 5: Solve for x
    x = 70,277,728.42/11,853.97
  6. Step 6: Final answer
    x = 5,928.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.