Home / 19,858.90-29,792.45-5,819.39

Finding the Fourth Proportional to 19,858.90, 29,792.45 and 5,819.39

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Solution

The fourth proportional to 19,858.90, 29,792.45 and 5,819.39 is: 8,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.90 : 29,792.45 = 5,819.39 : x
  2. Step 2: Convert to fraction form
    19,858.90/29,792.45 = 5,819.39/x
  3. Step 3: Cross multiply
    19,858.90x = 29,792.45 × 5,819.39
  4. Step 4: Simplify right side
    19,858.90x = 173,373,751.19
  5. Step 5: Solve for x
    x = 173,373,751.19/19,858.90
  6. Step 6: Final answer
    x = 8,730.28

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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.