Home / 11,968.08-16,517.92-9,130.09

Finding the Fourth Proportional to 11,968.08, 16,517.92 and 9,130.09

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Solution

The fourth proportional to 11,968.08, 16,517.92 and 9,130.09 is: 12,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.08 : 16,517.92 = 9,130.09 : x
  2. Step 2: Convert to fraction form
    11,968.08/16,517.92 = 9,130.09/x
  3. Step 3: Cross multiply
    11,968.08x = 16,517.92 × 9,130.09
  4. Step 4: Simplify right side
    11,968.08x = 150,810,080.18
  5. Step 5: Solve for x
    x = 150,810,080.18/11,968.08
  6. Step 6: Final answer
    x = 12,601.03

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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.