Home / 11,310.39-16,966.41-3,412.28

Finding the Fourth Proportional to 11,310.39, 16,966.41 and 3,412.28

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Solution

The fourth proportional to 11,310.39, 16,966.41 and 3,412.28 is: 5,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.39 : 16,966.41 = 3,412.28 : x
  2. Step 2: Convert to fraction form
    11,310.39/16,966.41 = 3,412.28/x
  3. Step 3: Cross multiply
    11,310.39x = 16,966.41 × 3,412.28
  4. Step 4: Simplify right side
    11,310.39x = 57,894,141.51
  5. Step 5: Solve for x
    x = 57,894,141.51/11,310.39
  6. Step 6: Final answer
    x = 5,118.67

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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.