Home / 13,188.06-19,786.77-4,422.96

Finding the Fourth Proportional to 13,188.06, 19,786.77 and 4,422.96

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Solution

The fourth proportional to 13,188.06, 19,786.77 and 4,422.96 is: 6,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.06 : 19,786.77 = 4,422.96 : x
  2. Step 2: Convert to fraction form
    13,188.06/19,786.77 = 4,422.96/x
  3. Step 3: Cross multiply
    13,188.06x = 19,786.77 × 4,422.96
  4. Step 4: Simplify right side
    13,188.06x = 87,516,092.24
  5. Step 5: Solve for x
    x = 87,516,092.24/13,188.06
  6. Step 6: Final answer
    x = 6,636.01

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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.