Home / 11,177.21-16,769.64-7,012.19

Finding the Fourth Proportional to 11,177.21, 16,769.64 and 7,012.19

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Solution

The fourth proportional to 11,177.21, 16,769.64 and 7,012.19 is: 10,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.21 : 16,769.64 = 7,012.19 : x
  2. Step 2: Convert to fraction form
    11,177.21/16,769.64 = 7,012.19/x
  3. Step 3: Cross multiply
    11,177.21x = 16,769.64 × 7,012.19
  4. Step 4: Simplify right side
    11,177.21x = 117,591,901.91
  5. Step 5: Solve for x
    x = 117,591,901.91/11,177.21
  6. Step 6: Final answer
    x = 10,520.68

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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.