Home / 19,964.37-29,948.36-5,173.23

Finding the Fourth Proportional to 19,964.37, 29,948.36 and 5,173.23

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Solution

The fourth proportional to 19,964.37, 29,948.36 and 5,173.23 is: 7,760.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.37 : 29,948.36 = 5,173.23 : x
  2. Step 2: Convert to fraction form
    19,964.37/29,948.36 = 5,173.23/x
  3. Step 3: Cross multiply
    19,964.37x = 29,948.36 × 5,173.23
  4. Step 4: Simplify right side
    19,964.37x = 154,929,728.54
  5. Step 5: Solve for x
    x = 154,929,728.54/19,964.37
  6. Step 6: Final answer
    x = 7,760.31

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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.