Home / 13,584.69-20,379.90-4,224.48

Finding the Fourth Proportional to 13,584.69, 20,379.90 and 4,224.48

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Solution

The fourth proportional to 13,584.69, 20,379.90 and 4,224.48 is: 6,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.69 : 20,379.90 = 4,224.48 : x
  2. Step 2: Convert to fraction form
    13,584.69/20,379.90 = 4,224.48/x
  3. Step 3: Cross multiply
    13,584.69x = 20,379.90 × 4,224.48
  4. Step 4: Simplify right side
    13,584.69x = 86,094,479.95
  5. Step 5: Solve for x
    x = 86,094,479.95/13,584.69
  6. Step 6: Final answer
    x = 6,337.61

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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.