Home / 12,336.72-18,504.36-3,102

Finding the Fourth Proportional to 12,336.72, 18,504.36 and 3,102

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Solution

The fourth proportional to 12,336.72, 18,504.36 and 3,102 is: 4,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.72 : 18,504.36 = 3,102 : x
  2. Step 2: Convert to fraction form
    12,336.72/18,504.36 = 3,102/x
  3. Step 3: Cross multiply
    12,336.72x = 18,504.36 × 3,102
  4. Step 4: Simplify right side
    12,336.72x = 57,400,524.72
  5. Step 5: Solve for x
    x = 57,400,524.72/12,336.72
  6. Step 6: Final answer
    x = 4,652.82

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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.