Home / 13,217.22-19,827.84-4,451.43

Finding the Fourth Proportional to 13,217.22, 19,827.84 and 4,451.43

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Solution

The fourth proportional to 13,217.22, 19,827.84 and 4,451.43 is: 6,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.22 : 19,827.84 = 4,451.43 : x
  2. Step 2: Convert to fraction form
    13,217.22/19,827.84 = 4,451.43/x
  3. Step 3: Cross multiply
    13,217.22x = 19,827.84 × 4,451.43
  4. Step 4: Simplify right side
    13,217.22x = 88,262,241.81
  5. Step 5: Solve for x
    x = 88,262,241.81/13,217.22
  6. Step 6: Final answer
    x = 6,677.82

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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.