Home / 11,703.78-17,556.75-3,913.74

Finding the Fourth Proportional to 11,703.78, 17,556.75 and 3,913.74

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Solution

The fourth proportional to 11,703.78, 17,556.75 and 3,913.74 is: 5,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.78 : 17,556.75 = 3,913.74 : x
  2. Step 2: Convert to fraction form
    11,703.78/17,556.75 = 3,913.74/x
  3. Step 3: Cross multiply
    11,703.78x = 17,556.75 × 3,913.74
  4. Step 4: Simplify right side
    11,703.78x = 68,712,554.75
  5. Step 5: Solve for x
    x = 68,712,554.75/11,703.78
  6. Step 6: Final answer
    x = 5,870.97

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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.