Home / 14,439.62-21,660.04-4,578.68

Finding the Fourth Proportional to 14,439.62, 21,660.04 and 4,578.68

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Solution

The fourth proportional to 14,439.62, 21,660.04 and 4,578.68 is: 6,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.62 : 21,660.04 = 4,578.68 : x
  2. Step 2: Convert to fraction form
    14,439.62/21,660.04 = 4,578.68/x
  3. Step 3: Cross multiply
    14,439.62x = 21,660.04 × 4,578.68
  4. Step 4: Simplify right side
    14,439.62x = 99,174,391.95
  5. Step 5: Solve for x
    x = 99,174,391.95/14,439.62
  6. Step 6: Final answer
    x = 6,868.21

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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.