Home / 15,452.56-23,171.17-4,921.21

Finding the Fourth Proportional to 15,452.56, 23,171.17 and 4,921.21

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Solution

The fourth proportional to 15,452.56, 23,171.17 and 4,921.21 is: 7,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.56 : 23,171.17 = 4,921.21 : x
  2. Step 2: Convert to fraction form
    15,452.56/23,171.17 = 4,921.21/x
  3. Step 3: Cross multiply
    15,452.56x = 23,171.17 × 4,921.21
  4. Step 4: Simplify right side
    15,452.56x = 114,030,053.05
  5. Step 5: Solve for x
    x = 114,030,053.05/15,452.56
  6. Step 6: Final answer
    x = 7,379.36

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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.