Home / 11,309.44-16,964.88-3,518.56

Finding the Fourth Proportional to 11,309.44, 16,964.88 and 3,518.56

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Solution

The fourth proportional to 11,309.44, 16,964.88 and 3,518.56 is: 5,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.44 : 16,964.88 = 3,518.56 : x
  2. Step 2: Convert to fraction form
    11,309.44/16,964.88 = 3,518.56/x
  3. Step 3: Cross multiply
    11,309.44x = 16,964.88 × 3,518.56
  4. Step 4: Simplify right side
    11,309.44x = 59,691,948.17
  5. Step 5: Solve for x
    x = 59,691,948.17/11,309.44
  6. Step 6: Final answer
    x = 5,278.06

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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.