Home / 20,506.30-30,735.45-9,414.06

Finding the Fourth Proportional to 20,506.30, 30,735.45 and 9,414.06

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Solution

The fourth proportional to 20,506.30, 30,735.45 and 9,414.06 is: 14,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506.30 : 30,735.45 = 9,414.06 : x
  2. Step 2: Convert to fraction form
    20,506.30/30,735.45 = 9,414.06/x
  3. Step 3: Cross multiply
    20,506.30x = 30,735.45 × 9,414.06
  4. Step 4: Simplify right side
    20,506.30x = 289,345,255.17
  5. Step 5: Solve for x
    x = 289,345,255.17/20,506.30
  6. Step 6: Final answer
    x = 14,110.07

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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.