Home / 11,819.61-17,712.69-6,556.93

Finding the Fourth Proportional to 11,819.61, 17,712.69 and 6,556.93

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Solution

The fourth proportional to 11,819.61, 17,712.69 and 6,556.93 is: 9,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.61 : 17,712.69 = 6,556.93 : x
  2. Step 2: Convert to fraction form
    11,819.61/17,712.69 = 6,556.93/x
  3. Step 3: Cross multiply
    11,819.61x = 17,712.69 × 6,556.93
  4. Step 4: Simplify right side
    11,819.61x = 116,140,868.44
  5. Step 5: Solve for x
    x = 116,140,868.44/11,819.61
  6. Step 6: Final answer
    x = 9,826.12

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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.