Home / 12,554.98-18,833.15-3,789.67

Finding the Fourth Proportional to 12,554.98, 18,833.15 and 3,789.67

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Solution

The fourth proportional to 12,554.98, 18,833.15 and 3,789.67 is: 5,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.98 : 18,833.15 = 3,789.67 : x
  2. Step 2: Convert to fraction form
    12,554.98/18,833.15 = 3,789.67/x
  3. Step 3: Cross multiply
    12,554.98x = 18,833.15 × 3,789.67
  4. Step 4: Simplify right side
    12,554.98x = 71,371,347.14
  5. Step 5: Solve for x
    x = 71,371,347.14/12,554.98
  6. Step 6: Final answer
    x = 5,684.70

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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.