Home / 11,749.30-16,209.92-6,709.88

Finding the Fourth Proportional to 11,749.30, 16,209.92 and 6,709.88

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Solution

The fourth proportional to 11,749.30, 16,209.92 and 6,709.88 is: 9,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.30 : 16,209.92 = 6,709.88 : x
  2. Step 2: Convert to fraction form
    11,749.30/16,209.92 = 6,709.88/x
  3. Step 3: Cross multiply
    11,749.30x = 16,209.92 × 6,709.88
  4. Step 4: Simplify right side
    11,749.30x = 108,766,618.01
  5. Step 5: Solve for x
    x = 108,766,618.01/11,749.30
  6. Step 6: Final answer
    x = 9,257.28

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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.