Home / 11,817.97-16,308.71-6,512.74

Finding the Fourth Proportional to 11,817.97, 16,308.71 and 6,512.74

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Solution

The fourth proportional to 11,817.97, 16,308.71 and 6,512.74 is: 8,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.97 : 16,308.71 = 6,512.74 : x
  2. Step 2: Convert to fraction form
    11,817.97/16,308.71 = 6,512.74/x
  3. Step 3: Cross multiply
    11,817.97x = 16,308.71 × 6,512.74
  4. Step 4: Simplify right side
    11,817.97x = 106,214,339.05
  5. Step 5: Solve for x
    x = 106,214,339.05/11,817.97
  6. Step 6: Final answer
    x = 8,987.53

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1.5x scale

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.