Home / 14,439.94-21,660.68-4,579.98

Finding the Fourth Proportional to 14,439.94, 21,660.68 and 4,579.98

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Solution

The fourth proportional to 14,439.94, 21,660.68 and 4,579.98 is: 6,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.94 : 21,660.68 = 4,579.98 : x
  2. Step 2: Convert to fraction form
    14,439.94/21,660.68 = 4,579.98/x
  3. Step 3: Cross multiply
    14,439.94x = 21,660.68 × 4,579.98
  4. Step 4: Simplify right side
    14,439.94x = 99,205,481.19
  5. Step 5: Solve for x
    x = 99,205,481.19/14,439.94
  6. Step 6: Final answer
    x = 6,870.21

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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.