Home / 20,351.61-30,537.83-9,690.04

Finding the Fourth Proportional to 20,351.61, 30,537.83 and 9,690.04

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Solution

The fourth proportional to 20,351.61, 30,537.83 and 9,690.04 is: 14,540.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.61 : 30,537.83 = 9,690.04 : x
  2. Step 2: Convert to fraction form
    20,351.61/30,537.83 = 9,690.04/x
  3. Step 3: Cross multiply
    20,351.61x = 30,537.83 × 9,690.04
  4. Step 4: Simplify right side
    20,351.61x = 295,912,684.84
  5. Step 5: Solve for x
    x = 295,912,684.84/20,351.61
  6. Step 6: Final answer
    x = 14,540.01

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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.