Home / 11,781.37-16,258.07-6,476.07

Finding the Fourth Proportional to 11,781.37, 16,258.07 and 6,476.07

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Solution

The fourth proportional to 11,781.37, 16,258.07 and 6,476.07 is: 8,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.37 : 16,258.07 = 6,476.07 : x
  2. Step 2: Convert to fraction form
    11,781.37/16,258.07 = 6,476.07/x
  3. Step 3: Cross multiply
    11,781.37x = 16,258.07 × 6,476.07
  4. Step 4: Simplify right side
    11,781.37x = 105,288,367.00
  5. Step 5: Solve for x
    x = 105,288,367.00/11,781.37
  6. Step 6: Final answer
    x = 8,936.86

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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.