Home / 11,173.56-16,760.70-5,330.76

Finding the Fourth Proportional to 11,173.56, 16,760.70 and 5,330.76

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Solution

The fourth proportional to 11,173.56, 16,760.70 and 5,330.76 is: 7,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.56 : 16,760.70 = 5,330.76 : x
  2. Step 2: Convert to fraction form
    11,173.56/16,760.70 = 5,330.76/x
  3. Step 3: Cross multiply
    11,173.56x = 16,760.70 × 5,330.76
  4. Step 4: Simplify right side
    11,173.56x = 89,347,269.13
  5. Step 5: Solve for x
    x = 89,347,269.13/11,173.56
  6. Step 6: Final answer
    x = 7,996.31

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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.