Home / 20,541.62-30,804.33-11,189.36

Finding the Fourth Proportional to 20,541.62, 30,804.33 and 11,189.36

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Solution

The fourth proportional to 20,541.62, 30,804.33 and 11,189.36 is: 16,779.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.62 : 30,804.33 = 11,189.36 : x
  2. Step 2: Convert to fraction form
    20,541.62/30,804.33 = 11,189.36/x
  3. Step 3: Cross multiply
    20,541.62x = 30,804.33 × 11,189.36
  4. Step 4: Simplify right side
    20,541.62x = 344,680,737.93
  5. Step 5: Solve for x
    x = 344,680,737.93/20,541.62
  6. Step 6: Final answer
    x = 16,779.63

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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.