Home / 11,615.87-16,029.96-6,310.70

Finding the Fourth Proportional to 11,615.87, 16,029.96 and 6,310.70

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Solution

The fourth proportional to 11,615.87, 16,029.96 and 6,310.70 is: 8,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.87 : 16,029.96 = 6,310.70 : x
  2. Step 2: Convert to fraction form
    11,615.87/16,029.96 = 6,310.70/x
  3. Step 3: Cross multiply
    11,615.87x = 16,029.96 × 6,310.70
  4. Step 4: Simplify right side
    11,615.87x = 101,160,268.57
  5. Step 5: Solve for x
    x = 101,160,268.57/11,615.87
  6. Step 6: Final answer
    x = 8,708.80

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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.