Home / 18,103.09-27,169.31-9,340.51

Finding the Fourth Proportional to 18,103.09, 27,169.31 and 9,340.51

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Solution

The fourth proportional to 18,103.09, 27,169.31 and 9,340.51 is: 14,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.09 : 27,169.31 = 9,340.51 : x
  2. Step 2: Convert to fraction form
    18,103.09/27,169.31 = 9,340.51/x
  3. Step 3: Cross multiply
    18,103.09x = 27,169.31 × 9,340.51
  4. Step 4: Simplify right side
    18,103.09x = 253,775,165.05
  5. Step 5: Solve for x
    x = 253,775,165.05/18,103.09
  6. Step 6: Final answer
    x = 14,018.33

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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.