Home / 18,129.14-27,168.41-9,791.19

Finding the Fourth Proportional to 18,129.14, 27,168.41 and 9,791.19

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Solution

The fourth proportional to 18,129.14, 27,168.41 and 9,791.19 is: 14,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.14 : 27,168.41 = 9,791.19 : x
  2. Step 2: Convert to fraction form
    18,129.14/27,168.41 = 9,791.19/x
  3. Step 3: Cross multiply
    18,129.14x = 27,168.41 × 9,791.19
  4. Step 4: Simplify right side
    18,129.14x = 266,011,015.35
  5. Step 5: Solve for x
    x = 266,011,015.35/18,129.14
  6. Step 6: Final answer
    x = 14,673.12

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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.