Home / 13,216.88-19,819.56-4,449.44

Finding the Fourth Proportional to 13,216.88, 19,819.56 and 4,449.44

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Solution

The fourth proportional to 13,216.88, 19,819.56 and 4,449.44 is: 6,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.88 : 19,819.56 = 4,449.44 : x
  2. Step 2: Convert to fraction form
    13,216.88/19,819.56 = 4,449.44/x
  3. Step 3: Cross multiply
    13,216.88x = 19,819.56 × 4,449.44
  4. Step 4: Simplify right side
    13,216.88x = 88,185,943.05
  5. Step 5: Solve for x
    x = 88,185,943.05/13,216.88
  6. Step 6: Final answer
    x = 6,672.22

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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.