Home / 13,272.62-19,909.62-3,411.96

Finding the Fourth Proportional to 13,272.62, 19,909.62 and 3,411.96

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Solution

The fourth proportional to 13,272.62, 19,909.62 and 3,411.96 is: 5,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.62 : 19,909.62 = 3,411.96 : x
  2. Step 2: Convert to fraction form
    13,272.62/19,909.62 = 3,411.96/x
  3. Step 3: Cross multiply
    13,272.62x = 19,909.62 × 3,411.96
  4. Step 4: Simplify right side
    13,272.62x = 67,930,827.06
  5. Step 5: Solve for x
    x = 67,930,827.06/13,272.62
  6. Step 6: Final answer
    x = 5,118.12

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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.