Home / 21,414.20-32,135.57-9,564.04

Finding the Fourth Proportional to 21,414.20, 32,135.57 and 9,564.04

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Solution

The fourth proportional to 21,414.20, 32,135.57 and 9,564.04 is: 14,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414.20 : 32,135.57 = 9,564.04 : x
  2. Step 2: Convert to fraction form
    21,414.20/32,135.57 = 9,564.04/x
  3. Step 3: Cross multiply
    21,414.20x = 32,135.57 × 9,564.04
  4. Step 4: Simplify right side
    21,414.20x = 307,345,746.34
  5. Step 5: Solve for x
    x = 307,345,746.34/21,414.20
  6. Step 6: Final answer
    x = 14,352.43

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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.