Home / 11,845.79-16,346.46-6,540.72

Finding the Fourth Proportional to 11,845.79, 16,346.46 and 6,540.72

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Solution

The fourth proportional to 11,845.79, 16,346.46 and 6,540.72 is: 9,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.79 : 16,346.46 = 6,540.72 : x
  2. Step 2: Convert to fraction form
    11,845.79/16,346.46 = 6,540.72/x
  3. Step 3: Cross multiply
    11,845.79x = 16,346.46 × 6,540.72
  4. Step 4: Simplify right side
    11,845.79x = 106,917,682.21
  5. Step 5: Solve for x
    x = 106,917,682.21/11,845.79
  6. Step 6: Final answer
    x = 9,025.79

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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.