Home / 18,208.60-27,315.16-6,521.82

Finding the Fourth Proportional to 18,208.60, 27,315.16 and 6,521.82

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Solution

The fourth proportional to 18,208.60, 27,315.16 and 6,521.82 is: 9,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.60 : 27,315.16 = 6,521.82 : x
  2. Step 2: Convert to fraction form
    18,208.60/27,315.16 = 6,521.82/x
  3. Step 3: Cross multiply
    18,208.60x = 27,315.16 × 6,521.82
  4. Step 4: Simplify right side
    18,208.60x = 178,144,556.79
  5. Step 5: Solve for x
    x = 178,144,556.79/18,208.60
  6. Step 6: Final answer
    x = 9,783.54

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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.