Home / 20,146.56-30,203.19-8,893.89

Finding the Fourth Proportional to 20,146.56, 30,203.19 and 8,893.89

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Solution

The fourth proportional to 20,146.56, 30,203.19 and 8,893.89 is: 13,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146.56 : 30,203.19 = 8,893.89 : x
  2. Step 2: Convert to fraction form
    20,146.56/30,203.19 = 8,893.89/x
  3. Step 3: Cross multiply
    20,146.56x = 30,203.19 × 8,893.89
  4. Step 4: Simplify right side
    20,146.56x = 268,623,849.51
  5. Step 5: Solve for x
    x = 268,623,849.51/20,146.56
  6. Step 6: Final answer
    x = 13,333.48

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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.