Home / 13,614.86-20,439.57-11,575.82

Finding the Fourth Proportional to 13,614.86, 20,439.57 and 11,575.82

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Solution

The fourth proportional to 13,614.86, 20,439.57 and 11,575.82 is: 17,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.86 : 20,439.57 = 11,575.82 : x
  2. Step 2: Convert to fraction form
    13,614.86/20,439.57 = 11,575.82/x
  3. Step 3: Cross multiply
    13,614.86x = 20,439.57 × 11,575.82
  4. Step 4: Simplify right side
    13,614.86x = 236,604,783.20
  5. Step 5: Solve for x
    x = 236,604,783.20/13,614.86
  6. Step 6: Final answer
    x = 17,378.42

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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.