Home / 11,241.12-16,853.52-5,691.92

Finding the Fourth Proportional to 11,241.12, 16,853.52 and 5,691.92

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Solution

The fourth proportional to 11,241.12, 16,853.52 and 5,691.92 is: 8,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.12 : 16,853.52 = 5,691.92 : x
  2. Step 2: Convert to fraction form
    11,241.12/16,853.52 = 5,691.92/x
  3. Step 3: Cross multiply
    11,241.12x = 16,853.52 × 5,691.92
  4. Step 4: Simplify right side
    11,241.12x = 95,928,887.56
  5. Step 5: Solve for x
    x = 95,928,887.56/11,241.12
  6. Step 6: Final answer
    x = 8,533.75

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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.