Home / 11,179.14-16,697.28-10,123.44

Finding the Fourth Proportional to 11,179.14, 16,697.28 and 10,123.44

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Solution

The fourth proportional to 11,179.14, 16,697.28 and 10,123.44 is: 15,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.14 : 16,697.28 = 10,123.44 : x
  2. Step 2: Convert to fraction form
    11,179.14/16,697.28 = 10,123.44/x
  3. Step 3: Cross multiply
    11,179.14x = 16,697.28 × 10,123.44
  4. Step 4: Simplify right side
    11,179.14x = 169,033,912.24
  5. Step 5: Solve for x
    x = 169,033,912.24/11,179.14
  6. Step 6: Final answer
    x = 15,120.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.