Home / 21,563.80-29,757.27-12,003.37

Finding the Fourth Proportional to 21,563.80, 29,757.27 and 12,003.37

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Solution

The fourth proportional to 21,563.80, 29,757.27 and 12,003.37 is: 16,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563.80 : 29,757.27 = 12,003.37 : x
  2. Step 2: Convert to fraction form
    21,563.80/29,757.27 = 12,003.37/x
  3. Step 3: Cross multiply
    21,563.80x = 29,757.27 × 12,003.37
  4. Step 4: Simplify right side
    21,563.80x = 357,187,522.00
  5. Step 5: Solve for x
    x = 357,187,522.00/21,563.80
  6. Step 6: Final answer
    x = 16,564.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.