Home / 19,397.88-29,098.50-5,357.92

Finding the Fourth Proportional to 19,397.88, 29,098.50 and 5,357.92

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Solution

The fourth proportional to 19,397.88, 29,098.50 and 5,357.92 is: 8,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.88 : 29,098.50 = 5,357.92 : x
  2. Step 2: Convert to fraction form
    19,397.88/29,098.50 = 5,357.92/x
  3. Step 3: Cross multiply
    19,397.88x = 29,098.50 × 5,357.92
  4. Step 4: Simplify right side
    19,397.88x = 155,907,435.12
  5. Step 5: Solve for x
    x = 155,907,435.12/19,397.88
  6. Step 6: Final answer
    x = 8,037.34

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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.