Home / 12,016.12-18,002.31-11,753.68

Finding the Fourth Proportional to 12,016.12, 18,002.31 and 11,753.68

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Solution

The fourth proportional to 12,016.12, 18,002.31 and 11,753.68 is: 17,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.12 : 18,002.31 = 11,753.68 : x
  2. Step 2: Convert to fraction form
    12,016.12/18,002.31 = 11,753.68/x
  3. Step 3: Cross multiply
    12,016.12x = 18,002.31 × 11,753.68
  4. Step 4: Simplify right side
    12,016.12x = 211,593,335.67
  5. Step 5: Solve for x
    x = 211,593,335.67/12,016.12
  6. Step 6: Final answer
    x = 17,609.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.