Home / 13,992.22-20,995.36-8,725.86

Finding the Fourth Proportional to 13,992.22, 20,995.36 and 8,725.86

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Solution

The fourth proportional to 13,992.22, 20,995.36 and 8,725.86 is: 13,093.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.22 : 20,995.36 = 8,725.86 : x
  2. Step 2: Convert to fraction form
    13,992.22/20,995.36 = 8,725.86/x
  3. Step 3: Cross multiply
    13,992.22x = 20,995.36 × 8,725.86
  4. Step 4: Simplify right side
    13,992.22x = 183,202,572.01
  5. Step 5: Solve for x
    x = 183,202,572.01/13,992.22
  6. Step 6: Final answer
    x = 13,093.17

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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.