Home / 11,176.77-16,762.95-3,383.76

Finding the Fourth Proportional to 11,176.77, 16,762.95 and 3,383.76

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Solution

The fourth proportional to 11,176.77, 16,762.95 and 3,383.76 is: 5,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.77 : 16,762.95 = 3,383.76 : x
  2. Step 2: Convert to fraction form
    11,176.77/16,762.95 = 3,383.76/x
  3. Step 3: Cross multiply
    11,176.77x = 16,762.95 × 3,383.76
  4. Step 4: Simplify right side
    11,176.77x = 56,721,799.69
  5. Step 5: Solve for x
    x = 56,721,799.69/11,176.77
  6. Step 6: Final answer
    x = 5,074.97

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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.