Home / 13,624.75-20,437.59-3,764.79

Finding the Fourth Proportional to 13,624.75, 20,437.59 and 3,764.79

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Solution

The fourth proportional to 13,624.75, 20,437.59 and 3,764.79 is: 5,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.75 : 20,437.59 = 3,764.79 : x
  2. Step 2: Convert to fraction form
    13,624.75/20,437.59 = 3,764.79/x
  3. Step 3: Cross multiply
    13,624.75x = 20,437.59 × 3,764.79
  4. Step 4: Simplify right side
    13,624.75x = 76,943,234.46
  5. Step 5: Solve for x
    x = 76,943,234.46/13,624.75
  6. Step 6: Final answer
    x = 5,647.31

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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.