Home / 19,969.07-29,954.37-5,177.60

Finding the Fourth Proportional to 19,969.07, 29,954.37 and 5,177.60

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Solution

The fourth proportional to 19,969.07, 29,954.37 and 5,177.60 is: 7,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.07 : 29,954.37 = 5,177.60 : x
  2. Step 2: Convert to fraction form
    19,969.07/29,954.37 = 5,177.60/x
  3. Step 3: Cross multiply
    19,969.07x = 29,954.37 × 5,177.60
  4. Step 4: Simplify right side
    19,969.07x = 155,091,596.34
  5. Step 5: Solve for x
    x = 155,091,596.34/19,969.07
  6. Step 6: Final answer
    x = 7,766.59

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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.