Home / 10,481.38-14,464.30-6,289.62

Finding the Fourth Proportional to 10,481.38, 14,464.30 and 6,289.62

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Solution

The fourth proportional to 10,481.38, 14,464.30 and 6,289.62 is: 8,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.38 : 14,464.30 = 6,289.62 : x
  2. Step 2: Convert to fraction form
    10,481.38/14,464.30 = 6,289.62/x
  3. Step 3: Cross multiply
    10,481.38x = 14,464.30 × 6,289.62
  4. Step 4: Simplify right side
    10,481.38x = 90,974,950.57
  5. Step 5: Solve for x
    x = 90,974,950.57/10,481.38
  6. Step 6: Final answer
    x = 8,679.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.