Home / 18,387.36-27,564.32-6,697.92

Finding the Fourth Proportional to 18,387.36, 27,564.32 and 6,697.92

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Solution

The fourth proportional to 18,387.36, 27,564.32 and 6,697.92 is: 10,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387.36 : 27,564.32 = 6,697.92 : x
  2. Step 2: Convert to fraction form
    18,387.36/27,564.32 = 6,697.92/x
  3. Step 3: Cross multiply
    18,387.36x = 27,564.32 × 6,697.92
  4. Step 4: Simplify right side
    18,387.36x = 184,623,610.21
  5. Step 5: Solve for x
    x = 184,623,610.21/18,387.36
  6. Step 6: Final answer
    x = 10,040.79

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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.