Home / 13,584.23-20,379.28-4,224.07

Finding the Fourth Proportional to 13,584.23, 20,379.28 and 4,224.07

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Solution

The fourth proportional to 13,584.23, 20,379.28 and 4,224.07 is: 6,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.23 : 20,379.28 = 4,224.07 : x
  2. Step 2: Convert to fraction form
    13,584.23/20,379.28 = 4,224.07/x
  3. Step 3: Cross multiply
    13,584.23x = 20,379.28 × 4,224.07
  4. Step 4: Simplify right side
    13,584.23x = 86,083,505.27
  5. Step 5: Solve for x
    x = 86,083,505.27/13,584.23
  6. Step 6: Final answer
    x = 6,337.02

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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.