Home / 14,245.68-21,366.60-3,856.56

Finding the Fourth Proportional to 14,245.68, 21,366.60 and 3,856.56

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Solution

The fourth proportional to 14,245.68, 21,366.60 and 3,856.56 is: 5,784.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.68 : 21,366.60 = 3,856.56 : x
  2. Step 2: Convert to fraction form
    14,245.68/21,366.60 = 3,856.56/x
  3. Step 3: Cross multiply
    14,245.68x = 21,366.60 × 3,856.56
  4. Step 4: Simplify right side
    14,245.68x = 82,401,574.90
  5. Step 5: Solve for x
    x = 82,401,574.90/14,245.68
  6. Step 6: Final answer
    x = 5,784.32

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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.