Home / 19,830.45-29,744.13-7,344.60

Finding the Fourth Proportional to 19,830.45, 29,744.13 and 7,344.60

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Solution

The fourth proportional to 19,830.45, 29,744.13 and 7,344.60 is: 11,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.45 : 29,744.13 = 7,344.60 : x
  2. Step 2: Convert to fraction form
    19,830.45/29,744.13 = 7,344.60/x
  3. Step 3: Cross multiply
    19,830.45x = 29,744.13 × 7,344.60
  4. Step 4: Simplify right side
    19,830.45x = 218,458,737.20
  5. Step 5: Solve for x
    x = 218,458,737.20/19,830.45
  6. Step 6: Final answer
    x = 11,016.33

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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.