Home / 19,883.16-29,824.56-5,091.96

Finding the Fourth Proportional to 19,883.16, 29,824.56 and 5,091.96

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Solution

The fourth proportional to 19,883.16, 29,824.56 and 5,091.96 is: 7,637.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883.16 : 29,824.56 = 5,091.96 : x
  2. Step 2: Convert to fraction form
    19,883.16/29,824.56 = 5,091.96/x
  3. Step 3: Cross multiply
    19,883.16x = 29,824.56 × 5,091.96
  4. Step 4: Simplify right side
    19,883.16x = 151,865,466.54
  5. Step 5: Solve for x
    x = 151,865,466.54/19,883.16
  6. Step 6: Final answer
    x = 7,637.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.