Home / 11,769.30-16,240.60-6,988.88

Finding the Fourth Proportional to 11,769.30, 16,240.60 and 6,988.88

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Solution

The fourth proportional to 11,769.30, 16,240.60 and 6,988.88 is: 9,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.30 : 16,240.60 = 6,988.88 : x
  2. Step 2: Convert to fraction form
    11,769.30/16,240.60 = 6,988.88/x
  3. Step 3: Cross multiply
    11,769.30x = 16,240.60 × 6,988.88
  4. Step 4: Simplify right side
    11,769.30x = 113,503,653.87
  5. Step 5: Solve for x
    x = 113,503,653.87/11,769.30
  6. Step 6: Final answer
    x = 9,644.04

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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.