Home / 10,383.22-15,582.33-4,139.62

Finding the Fourth Proportional to 10,383.22, 15,582.33 and 4,139.62

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Solution

The fourth proportional to 10,383.22, 15,582.33 and 4,139.62 is: 6,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.22 : 15,582.33 = 4,139.62 : x
  2. Step 2: Convert to fraction form
    10,383.22/15,582.33 = 4,139.62/x
  3. Step 3: Cross multiply
    10,383.22x = 15,582.33 × 4,139.62
  4. Step 4: Simplify right side
    10,383.22x = 64,504,924.91
  5. Step 5: Solve for x
    x = 64,504,924.91/10,383.22
  6. Step 6: Final answer
    x = 6,212.42

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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.