Home / 14,099.14-21,147.08-4,738.78

Finding the Fourth Proportional to 14,099.14, 21,147.08 and 4,738.78

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Solution

The fourth proportional to 14,099.14, 21,147.08 and 4,738.78 is: 7,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.14 : 21,147.08 = 4,738.78 : x
  2. Step 2: Convert to fraction form
    14,099.14/21,147.08 = 4,738.78/x
  3. Step 3: Cross multiply
    14,099.14x = 21,147.08 × 4,738.78
  4. Step 4: Simplify right side
    14,099.14x = 100,211,359.76
  5. Step 5: Solve for x
    x = 100,211,359.76/14,099.14
  6. Step 6: Final answer
    x = 7,107.62

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1.5x scale

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.