Home / 13,306.86-19,964.34-5,910.66

Finding the Fourth Proportional to 13,306.86, 19,964.34 and 5,910.66

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Solution

The fourth proportional to 13,306.86, 19,964.34 and 5,910.66 is: 8,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.86 : 19,964.34 = 5,910.66 : x
  2. Step 2: Convert to fraction form
    13,306.86/19,964.34 = 5,910.66/x
  3. Step 3: Cross multiply
    13,306.86x = 19,964.34 × 5,910.66
  4. Step 4: Simplify right side
    13,306.86x = 118,002,425.86
  5. Step 5: Solve for x
    x = 118,002,425.86/13,306.86
  6. Step 6: Final answer
    x = 8,867.79

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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.