Home / 11,150.21-16,719.87-5,521.37

Finding the Fourth Proportional to 11,150.21, 16,719.87 and 5,521.37

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Solution

The fourth proportional to 11,150.21, 16,719.87 and 5,521.37 is: 8,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.21 : 16,719.87 = 5,521.37 : x
  2. Step 2: Convert to fraction form
    11,150.21/16,719.87 = 5,521.37/x
  3. Step 3: Cross multiply
    11,150.21x = 16,719.87 × 5,521.37
  4. Step 4: Simplify right side
    11,150.21x = 92,316,494.67
  5. Step 5: Solve for x
    x = 92,316,494.67/11,150.21
  6. Step 6: Final answer
    x = 8,279.35

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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.