Home / 11,185.63-16,777.19-2,865.71

Finding the Fourth Proportional to 11,185.63, 16,777.19 and 2,865.71

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Solution

The fourth proportional to 11,185.63, 16,777.19 and 2,865.71 is: 4,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.63 : 16,777.19 = 2,865.71 : x
  2. Step 2: Convert to fraction form
    11,185.63/16,777.19 = 2,865.71/x
  3. Step 3: Cross multiply
    11,185.63x = 16,777.19 × 2,865.71
  4. Step 4: Simplify right side
    11,185.63x = 48,078,594.14
  5. Step 5: Solve for x
    x = 48,078,594.14/11,185.63
  6. Step 6: Final answer
    x = 4,298.25

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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.