Home / 18,498.09-27,754.11-11,107.69

Finding the Fourth Proportional to 18,498.09, 27,754.11 and 11,107.69

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Solution

The fourth proportional to 18,498.09, 27,754.11 and 11,107.69 is: 16,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.09 : 27,754.11 = 11,107.69 : x
  2. Step 2: Convert to fraction form
    18,498.09/27,754.11 = 11,107.69/x
  3. Step 3: Cross multiply
    18,498.09x = 27,754.11 × 11,107.69
  4. Step 4: Simplify right side
    18,498.09x = 308,284,050.11
  5. Step 5: Solve for x
    x = 308,284,050.11/18,498.09
  6. Step 6: Final answer
    x = 16,665.72

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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.