Home / 11,708.92-16,157.76-6,403.80

Finding the Fourth Proportional to 11,708.92, 16,157.76 and 6,403.80

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Solution

The fourth proportional to 11,708.92, 16,157.76 and 6,403.80 is: 8,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.92 : 16,157.76 = 6,403.80 : x
  2. Step 2: Convert to fraction form
    11,708.92/16,157.76 = 6,403.80/x
  3. Step 3: Cross multiply
    11,708.92x = 16,157.76 × 6,403.80
  4. Step 4: Simplify right side
    11,708.92x = 103,471,063.49
  5. Step 5: Solve for x
    x = 103,471,063.49/11,708.92
  6. Step 6: Final answer
    x = 8,836.94

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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.