Home / 20,052.16-30,092.78-8,971.36

Finding the Fourth Proportional to 20,052.16, 30,092.78 and 8,971.36

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Solution

The fourth proportional to 20,052.16, 30,092.78 and 8,971.36 is: 13,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.16 : 30,092.78 = 8,971.36 : x
  2. Step 2: Convert to fraction form
    20,052.16/30,092.78 = 8,971.36/x
  3. Step 3: Cross multiply
    20,052.16x = 30,092.78 × 8,971.36
  4. Step 4: Simplify right side
    20,052.16x = 269,973,109.98
  5. Step 5: Solve for x
    x = 269,973,109.98/20,052.16
  6. Step 6: Final answer
    x = 13,463.54

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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.