Home / 11,695.71-17,546.30-7,999.68

Finding the Fourth Proportional to 11,695.71, 17,546.30 and 7,999.68

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Solution

The fourth proportional to 11,695.71, 17,546.30 and 7,999.68 is: 12,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.71 : 17,546.30 = 7,999.68 : x
  2. Step 2: Convert to fraction form
    11,695.71/17,546.30 = 7,999.68/x
  3. Step 3: Cross multiply
    11,695.71x = 17,546.30 × 7,999.68
  4. Step 4: Simplify right side
    11,695.71x = 140,364,785.18
  5. Step 5: Solve for x
    x = 140,364,785.18/11,695.71
  6. Step 6: Final answer
    x = 12,001.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.