Home / 11,717.83-16,165.46-6,999.38

Finding the Fourth Proportional to 11,717.83, 16,165.46 and 6,999.38

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Solution

The fourth proportional to 11,717.83, 16,165.46 and 6,999.38 is: 9,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.83 : 16,165.46 = 6,999.38 : x
  2. Step 2: Convert to fraction form
    11,717.83/16,165.46 = 6,999.38/x
  3. Step 3: Cross multiply
    11,717.83x = 16,165.46 × 6,999.38
  4. Step 4: Simplify right side
    11,717.83x = 113,148,134.09
  5. Step 5: Solve for x
    x = 113,148,134.09/11,717.83
  6. Step 6: Final answer
    x = 9,656.07

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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.