Home / 20,301.03-30,447.83-9,205.04

Finding the Fourth Proportional to 20,301.03, 30,447.83 and 9,205.04

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Solution

The fourth proportional to 20,301.03, 30,447.83 and 9,205.04 is: 13,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.03 : 30,447.83 = 9,205.04 : x
  2. Step 2: Convert to fraction form
    20,301.03/30,447.83 = 9,205.04/x
  3. Step 3: Cross multiply
    20,301.03x = 30,447.83 × 9,205.04
  4. Step 4: Simplify right side
    20,301.03x = 280,273,592.20
  5. Step 5: Solve for x
    x = 280,273,592.20/20,301.03
  6. Step 6: Final answer
    x = 13,805.88

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1.5x scale

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.