Home / 18,379.48-27,565.06-5,231.56

Finding the Fourth Proportional to 18,379.48, 27,565.06 and 5,231.56

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Solution

The fourth proportional to 18,379.48, 27,565.06 and 5,231.56 is: 7,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379.48 : 27,565.06 = 5,231.56 : x
  2. Step 2: Convert to fraction form
    18,379.48/27,565.06 = 5,231.56/x
  3. Step 3: Cross multiply
    18,379.48x = 27,565.06 × 5,231.56
  4. Step 4: Simplify right side
    18,379.48x = 144,208,265.29
  5. Step 5: Solve for x
    x = 144,208,265.29/18,379.48
  6. Step 6: Final answer
    x = 7,846.16

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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.