Home / 11,146.92-16,709.40-7,197.54

Finding the Fourth Proportional to 11,146.92, 16,709.40 and 7,197.54

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Solution

The fourth proportional to 11,146.92, 16,709.40 and 7,197.54 is: 10,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.92 : 16,709.40 = 7,197.54 : x
  2. Step 2: Convert to fraction form
    11,146.92/16,709.40 = 7,197.54/x
  3. Step 3: Cross multiply
    11,146.92x = 16,709.40 × 7,197.54
  4. Step 4: Simplify right side
    11,146.92x = 120,266,574.88
  5. Step 5: Solve for x
    x = 120,266,574.88/11,146.92
  6. Step 6: Final answer
    x = 10,789.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.