Home / 12,558.97-17,333.77-8,310.12

Finding the Fourth Proportional to 12,558.97, 17,333.77 and 8,310.12

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Solution

The fourth proportional to 12,558.97, 17,333.77 and 8,310.12 is: 11,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.97 : 17,333.77 = 8,310.12 : x
  2. Step 2: Convert to fraction form
    12,558.97/17,333.77 = 8,310.12/x
  3. Step 3: Cross multiply
    12,558.97x = 17,333.77 × 8,310.12
  4. Step 4: Simplify right side
    12,558.97x = 144,045,622.08
  5. Step 5: Solve for x
    x = 144,045,622.08/12,558.97
  6. Step 6: Final answer
    x = 11,469.54

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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.