Home / 11,956.07-16,499.90-9,963.29

Finding the Fourth Proportional to 11,956.07, 16,499.90 and 9,963.29

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Solution

The fourth proportional to 11,956.07, 16,499.90 and 9,963.29 is: 13,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.07 : 16,499.90 = 9,963.29 : x
  2. Step 2: Convert to fraction form
    11,956.07/16,499.90 = 9,963.29/x
  3. Step 3: Cross multiply
    11,956.07x = 16,499.90 × 9,963.29
  4. Step 4: Simplify right side
    11,956.07x = 164,393,231.08
  5. Step 5: Solve for x
    x = 164,393,231.08/11,956.07
  6. Step 6: Final answer
    x = 13,749.78

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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.