Home / 18,342.86-27,515.82-5,864.66

Finding the Fourth Proportional to 18,342.86, 27,515.82 and 5,864.66

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Solution

The fourth proportional to 18,342.86, 27,515.82 and 5,864.66 is: 8,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.86 : 27,515.82 = 5,864.66 : x
  2. Step 2: Convert to fraction form
    18,342.86/27,515.82 = 5,864.66/x
  3. Step 3: Cross multiply
    18,342.86x = 27,515.82 × 5,864.66
  4. Step 4: Simplify right side
    18,342.86x = 161,370,928.92
  5. Step 5: Solve for x
    x = 161,370,928.92/18,342.86
  6. Step 6: Final answer
    x = 8,797.48

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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.