Home / 19,639.44-29,453.76-9,644.04

Finding the Fourth Proportional to 19,639.44, 29,453.76 and 9,644.04

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Solution

The fourth proportional to 19,639.44, 29,453.76 and 9,644.04 is: 14,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.44 : 29,453.76 = 9,644.04 : x
  2. Step 2: Convert to fraction form
    19,639.44/29,453.76 = 9,644.04/x
  3. Step 3: Cross multiply
    19,639.44x = 29,453.76 × 9,644.04
  4. Step 4: Simplify right side
    19,639.44x = 284,053,239.59
  5. Step 5: Solve for x
    x = 284,053,239.59/19,639.44
  6. Step 6: Final answer
    x = 14,463.41

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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.