Home / 11,789.85-16,271.38-6,755.70

Finding the Fourth Proportional to 11,789.85, 16,271.38 and 6,755.70

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Solution

The fourth proportional to 11,789.85, 16,271.38 and 6,755.70 is: 9,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.85 : 16,271.38 = 6,755.70 : x
  2. Step 2: Convert to fraction form
    11,789.85/16,271.38 = 6,755.70/x
  3. Step 3: Cross multiply
    11,789.85x = 16,271.38 × 6,755.70
  4. Step 4: Simplify right side
    11,789.85x = 109,924,631.33
  5. Step 5: Solve for x
    x = 109,924,631.33/11,789.85
  6. Step 6: Final answer
    x = 9,323.66

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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.