Home / 19,662.08-27,118.01-13,909.28

Finding the Fourth Proportional to 19,662.08, 27,118.01 and 13,909.28

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Solution

The fourth proportional to 19,662.08, 27,118.01 and 13,909.28 is: 19,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.08 : 27,118.01 = 13,909.28 : x
  2. Step 2: Convert to fraction form
    19,662.08/27,118.01 = 13,909.28/x
  3. Step 3: Cross multiply
    19,662.08x = 27,118.01 × 13,909.28
  4. Step 4: Simplify right side
    19,662.08x = 377,191,893.32
  5. Step 5: Solve for x
    x = 377,191,893.32/19,662.08
  6. Step 6: Final answer
    x = 19,183.73

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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.