Home / 11,769.55-16,242.37-6,733.78

Finding the Fourth Proportional to 11,769.55, 16,242.37 and 6,733.78

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Solution

The fourth proportional to 11,769.55, 16,242.37 and 6,733.78 is: 9,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.55 : 16,242.37 = 6,733.78 : x
  2. Step 2: Convert to fraction form
    11,769.55/16,242.37 = 6,733.78/x
  3. Step 3: Cross multiply
    11,769.55x = 16,242.37 × 6,733.78
  4. Step 4: Simplify right side
    11,769.55x = 109,372,488.82
  5. Step 5: Solve for x
    x = 109,372,488.82/11,769.55
  6. Step 6: Final answer
    x = 9,292.84

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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.