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Finding the Fourth Proportional to 19,922, 29,883 and 7,441.52

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Solution

The fourth proportional to 19,922, 29,883 and 7,441.52 is: 11,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922 : 29,883 = 7,441.52 : x
  2. Step 2: Convert to fraction form
    19,922/29,883 = 7,441.52/x
  3. Step 3: Cross multiply
    19,922x = 29,883 × 7,441.52
  4. Step 4: Simplify right side
    19,922x = 222,374,942.16
  5. Step 5: Solve for x
    x = 222,374,942.16/19,922
  6. Step 6: Final answer
    x = 11,162.28

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1.5x scale

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.