Home / 11,760.59-16,228.55-6,979.72

Finding the Fourth Proportional to 11,760.59, 16,228.55 and 6,979.72

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Solution

The fourth proportional to 11,760.59, 16,228.55 and 6,979.72 is: 9,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.59 : 16,228.55 = 6,979.72 : x
  2. Step 2: Convert to fraction form
    11,760.59/16,228.55 = 6,979.72/x
  3. Step 3: Cross multiply
    11,760.59x = 16,228.55 × 6,979.72
  4. Step 4: Simplify right side
    11,760.59x = 113,270,659.54
  5. Step 5: Solve for x
    x = 113,270,659.54/11,760.59
  6. Step 6: Final answer
    x = 9,631.37

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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.