Home / 16,821.45-25,199.84-9,403.43

Finding the Fourth Proportional to 16,821.45, 25,199.84 and 9,403.43

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Solution

The fourth proportional to 16,821.45, 25,199.84 and 9,403.43 is: 14,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.45 : 25,199.84 = 9,403.43 : x
  2. Step 2: Convert to fraction form
    16,821.45/25,199.84 = 9,403.43/x
  3. Step 3: Cross multiply
    16,821.45x = 25,199.84 × 9,403.43
  4. Step 4: Simplify right side
    16,821.45x = 236,964,828.96
  5. Step 5: Solve for x
    x = 236,964,828.96/16,821.45
  6. Step 6: Final answer
    x = 14,087.06

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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.