Home / 20,004.10-29,972.31-8,893.78

Finding the Fourth Proportional to 20,004.10, 29,972.31 and 8,893.78

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Solution

The fourth proportional to 20,004.10, 29,972.31 and 8,893.78 is: 13,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.10 : 29,972.31 = 8,893.78 : x
  2. Step 2: Convert to fraction form
    20,004.10/29,972.31 = 8,893.78/x
  3. Step 3: Cross multiply
    20,004.10x = 29,972.31 × 8,893.78
  4. Step 4: Simplify right side
    20,004.10x = 266,567,131.23
  5. Step 5: Solve for x
    x = 266,567,131.23/20,004.10
  6. Step 6: Final answer
    x = 13,325.62

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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.