Home / 11,778.66-17,669.91-3,458.95

Finding the Fourth Proportional to 11,778.66, 17,669.91 and 3,458.95

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Solution

The fourth proportional to 11,778.66, 17,669.91 and 3,458.95 is: 5,188.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.66 : 17,669.91 = 3,458.95 : x
  2. Step 2: Convert to fraction form
    11,778.66/17,669.91 = 3,458.95/x
  3. Step 3: Cross multiply
    11,778.66x = 17,669.91 × 3,458.95
  4. Step 4: Simplify right side
    11,778.66x = 61,119,335.19
  5. Step 5: Solve for x
    x = 61,119,335.19/11,778.66
  6. Step 6: Final answer
    x = 5,188.99

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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.