Home / 11,986.24-16,549.92-7,276.88

Finding the Fourth Proportional to 11,986.24, 16,549.92 and 7,276.88

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Solution

The fourth proportional to 11,986.24, 16,549.92 and 7,276.88 is: 10,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.24 : 16,549.92 = 7,276.88 : x
  2. Step 2: Convert to fraction form
    11,986.24/16,549.92 = 7,276.88/x
  3. Step 3: Cross multiply
    11,986.24x = 16,549.92 × 7,276.88
  4. Step 4: Simplify right side
    11,986.24x = 120,431,781.85
  5. Step 5: Solve for x
    x = 120,431,781.85/11,986.24
  6. Step 6: Final answer
    x = 10,047.50

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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.