Home / 11,699.64-16,146.56-6,662.76

Finding the Fourth Proportional to 11,699.64, 16,146.56 and 6,662.76

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Solution

The fourth proportional to 11,699.64, 16,146.56 and 6,662.76 is: 9,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.64 : 16,146.56 = 6,662.76 : x
  2. Step 2: Convert to fraction form
    11,699.64/16,146.56 = 6,662.76/x
  3. Step 3: Cross multiply
    11,699.64x = 16,146.56 × 6,662.76
  4. Step 4: Simplify right side
    11,699.64x = 107,580,620.79
  5. Step 5: Solve for x
    x = 107,580,620.79/11,699.64
  6. Step 6: Final answer
    x = 9,195.21

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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.