Home / 11,949.50-16,490.20-6,644.27

Finding the Fourth Proportional to 11,949.50, 16,490.20 and 6,644.27

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Solution

The fourth proportional to 11,949.50, 16,490.20 and 6,644.27 is: 9,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.50 : 16,490.20 = 6,644.27 : x
  2. Step 2: Convert to fraction form
    11,949.50/16,490.20 = 6,644.27/x
  3. Step 3: Cross multiply
    11,949.50x = 16,490.20 × 6,644.27
  4. Step 4: Simplify right side
    11,949.50x = 109,565,295.93
  5. Step 5: Solve for x
    x = 109,565,295.93/11,949.50
  6. Step 6: Final answer
    x = 9,169.03

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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.