Home / 21,755.60-32,634.64-6,172

Finding the Fourth Proportional to 21,755.60, 32,634.64 and 6,172

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Solution

The fourth proportional to 21,755.60, 32,634.64 and 6,172 is: 9,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755.60 : 32,634.64 = 6,172 : x
  2. Step 2: Convert to fraction form
    21,755.60/32,634.64 = 6,172/x
  3. Step 3: Cross multiply
    21,755.60x = 32,634.64 × 6,172
  4. Step 4: Simplify right side
    21,755.60x = 201,420,998.08
  5. Step 5: Solve for x
    x = 201,420,998.08/21,755.60
  6. Step 6: Final answer
    x = 9,258.35

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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.