Home / 18,089.06-27,144.30-10,090.56

Finding the Fourth Proportional to 18,089.06, 27,144.30 and 10,090.56

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Solution

The fourth proportional to 18,089.06, 27,144.30 and 10,090.56 is: 15,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.06 : 27,144.30 = 10,090.56 : x
  2. Step 2: Convert to fraction form
    18,089.06/27,144.30 = 10,090.56/x
  3. Step 3: Cross multiply
    18,089.06x = 27,144.30 × 10,090.56
  4. Step 4: Simplify right side
    18,089.06x = 273,901,187.81
  5. Step 5: Solve for x
    x = 273,901,187.81/18,089.06
  6. Step 6: Final answer
    x = 15,141.81

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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.