Home / 11,489.91-17,241.55-4,474.77

Finding the Fourth Proportional to 11,489.91, 17,241.55 and 4,474.77

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Solution

The fourth proportional to 11,489.91, 17,241.55 and 4,474.77 is: 6,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.91 : 17,241.55 = 4,474.77 : x
  2. Step 2: Convert to fraction form
    11,489.91/17,241.55 = 4,474.77/x
  3. Step 3: Cross multiply
    11,489.91x = 17,241.55 × 4,474.77
  4. Step 4: Simplify right side
    11,489.91x = 77,151,970.69
  5. Step 5: Solve for x
    x = 77,151,970.69/11,489.91
  6. Step 6: Final answer
    x = 6,714.76

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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.