Home / 12,339.36-17,027.64-6,750

Finding the Fourth Proportional to 12,339.36, 17,027.64 and 6,750

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Solution

The fourth proportional to 12,339.36, 17,027.64 and 6,750 is: 9,314.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.36 : 17,027.64 = 6,750 : x
  2. Step 2: Convert to fraction form
    12,339.36/17,027.64 = 6,750/x
  3. Step 3: Cross multiply
    12,339.36x = 17,027.64 × 6,750
  4. Step 4: Simplify right side
    12,339.36x = 114,936,570
  5. Step 5: Solve for x
    x = 114,936,570/12,339.36
  6. Step 6: Final answer
    x = 9,314.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.