Home / 14,299.10-21,449.46-4,439.78

Finding the Fourth Proportional to 14,299.10, 21,449.46 and 4,439.78

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Solution

The fourth proportional to 14,299.10, 21,449.46 and 4,439.78 is: 6,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.10 : 21,449.46 = 4,439.78 : x
  2. Step 2: Convert to fraction form
    14,299.10/21,449.46 = 4,439.78/x
  3. Step 3: Cross multiply
    14,299.10x = 21,449.46 × 4,439.78
  4. Step 4: Simplify right side
    14,299.10x = 95,230,883.52
  5. Step 5: Solve for x
    x = 95,230,883.52/14,299.10
  6. Step 6: Final answer
    x = 6,659.92

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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.