Home / 9,639.90-14,456.25-4,093.67

Finding the Fourth Proportional to 9,639.90, 14,456.25 and 4,093.67

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Solution

The fourth proportional to 9,639.90, 14,456.25 and 4,093.67 is: 6,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.90 : 14,456.25 = 4,093.67 : x
  2. Step 2: Convert to fraction form
    9,639.90/14,456.25 = 4,093.67/x
  3. Step 3: Cross multiply
    9,639.90x = 14,456.25 × 4,093.67
  4. Step 4: Simplify right side
    9,639.90x = 59,179,044.66
  5. Step 5: Solve for x
    x = 59,179,044.66/9,639.90
  6. Step 6: Final answer
    x = 6,138.97

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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.