Home / 20,559.57-28,372.04-11,608.83

Finding the Fourth Proportional to 20,559.57, 28,372.04 and 11,608.83

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Solution

The fourth proportional to 20,559.57, 28,372.04 and 11,608.83 is: 16,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559.57 : 28,372.04 = 11,608.83 : x
  2. Step 2: Convert to fraction form
    20,559.57/28,372.04 = 11,608.83/x
  3. Step 3: Cross multiply
    20,559.57x = 28,372.04 × 11,608.83
  4. Step 4: Simplify right side
    20,559.57x = 329,366,174.60
  5. Step 5: Solve for x
    x = 329,366,174.60/20,559.57
  6. Step 6: Final answer
    x = 16,020.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.