Home / 20,266.03-30,399.03-11,265.89

Finding the Fourth Proportional to 20,266.03, 30,399.03 and 11,265.89

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Solution

The fourth proportional to 20,266.03, 30,399.03 and 11,265.89 is: 16,898.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.03 : 30,399.03 = 11,265.89 : x
  2. Step 2: Convert to fraction form
    20,266.03/30,399.03 = 11,265.89/x
  3. Step 3: Cross multiply
    20,266.03x = 30,399.03 × 11,265.89
  4. Step 4: Simplify right side
    20,266.03x = 342,471,976.09
  5. Step 5: Solve for x
    x = 342,471,976.09/20,266.03
  6. Step 6: Final answer
    x = 16,898.82

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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.