Home / 20,007.83-27,614.62-13,189.88

Finding the Fourth Proportional to 20,007.83, 27,614.62 and 13,189.88

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Solution

The fourth proportional to 20,007.83, 27,614.62 and 13,189.88 is: 18,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.83 : 27,614.62 = 13,189.88 : x
  2. Step 2: Convert to fraction form
    20,007.83/27,614.62 = 13,189.88/x
  3. Step 3: Cross multiply
    20,007.83x = 27,614.62 × 13,189.88
  4. Step 4: Simplify right side
    20,007.83x = 364,233,560.11
  5. Step 5: Solve for x
    x = 364,233,560.11/20,007.83
  6. Step 6: Final answer
    x = 18,204.56

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1.5x scale

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.