Home / 11,635.38-17,477.91-11,106.72

Finding the Fourth Proportional to 11,635.38, 17,477.91 and 11,106.72

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Solution

The fourth proportional to 11,635.38, 17,477.91 and 11,106.72 is: 16,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,635.38 : 17,477.91 = 11,106.72 : x
  2. Step 2: Convert to fraction form
    11,635.38/17,477.91 = 11,106.72/x
  3. Step 3: Cross multiply
    11,635.38x = 17,477.91 × 11,106.72
  4. Step 4: Simplify right side
    11,635.38x = 194,122,252.56
  5. Step 5: Solve for x
    x = 194,122,252.56/11,635.38
  6. Step 6: Final answer
    x = 16,683.79

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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.