Home / 14,484.44-21,728.38-5,122.52

Finding the Fourth Proportional to 14,484.44, 21,728.38 and 5,122.52

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Solution

The fourth proportional to 14,484.44, 21,728.38 and 5,122.52 is: 7,684.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.44 : 21,728.38 = 5,122.52 : x
  2. Step 2: Convert to fraction form
    14,484.44/21,728.38 = 5,122.52/x
  3. Step 3: Cross multiply
    14,484.44x = 21,728.38 × 5,122.52
  4. Step 4: Simplify right side
    14,484.44x = 111,304,061.12
  5. Step 5: Solve for x
    x = 111,304,061.12/14,484.44
  6. Step 6: Final answer
    x = 7,684.39

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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.