Home / 13,669.64-18,824.37-11,876.30

Finding the Fourth Proportional to 13,669.64, 18,824.37 and 11,876.30

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Solution

The fourth proportional to 13,669.64, 18,824.37 and 11,876.30 is: 16,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.64 : 18,824.37 = 11,876.30 : x
  2. Step 2: Convert to fraction form
    13,669.64/18,824.37 = 11,876.30/x
  3. Step 3: Cross multiply
    13,669.64x = 18,824.37 × 11,876.30
  4. Step 4: Simplify right side
    13,669.64x = 223,563,771.31
  5. Step 5: Solve for x
    x = 223,563,771.31/13,669.64
  6. Step 6: Final answer
    x = 16,354.77

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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.