Home / 11,308.14-16,964.04-3,518.76

Finding the Fourth Proportional to 11,308.14, 16,964.04 and 3,518.76

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Solution

The fourth proportional to 11,308.14, 16,964.04 and 3,518.76 is: 5,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.14 : 16,964.04 = 3,518.76 : x
  2. Step 2: Convert to fraction form
    11,308.14/16,964.04 = 3,518.76/x
  3. Step 3: Cross multiply
    11,308.14x = 16,964.04 × 3,518.76
  4. Step 4: Simplify right side
    11,308.14x = 59,692,385.39
  5. Step 5: Solve for x
    x = 59,692,385.39/11,308.14
  6. Step 6: Final answer
    x = 5,278.71

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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.