Home / 11,615.43-16,029.36-6,310.29

Finding the Fourth Proportional to 11,615.43, 16,029.36 and 6,310.29

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Solution

The fourth proportional to 11,615.43, 16,029.36 and 6,310.29 is: 8,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.43 : 16,029.36 = 6,310.29 : x
  2. Step 2: Convert to fraction form
    11,615.43/16,029.36 = 6,310.29/x
  3. Step 3: Cross multiply
    11,615.43x = 16,029.36 × 6,310.29
  4. Step 4: Simplify right side
    11,615.43x = 101,149,910.11
  5. Step 5: Solve for x
    x = 101,149,910.11/11,615.43
  6. Step 6: Final answer
    x = 8,708.24

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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.