Home / 14,520.25-21,781.59-4,132

Finding the Fourth Proportional to 14,520.25, 21,781.59 and 4,132

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Solution

The fourth proportional to 14,520.25, 21,781.59 and 4,132 is: 6,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.25 : 21,781.59 = 4,132 : x
  2. Step 2: Convert to fraction form
    14,520.25/21,781.59 = 4,132/x
  3. Step 3: Cross multiply
    14,520.25x = 21,781.59 × 4,132
  4. Step 4: Simplify right side
    14,520.25x = 90,001,529.88
  5. Step 5: Solve for x
    x = 90,001,529.88/14,520.25
  6. Step 6: Final answer
    x = 6,198.35

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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.